{"id":372,"date":"2026-10-29T19:32:05","date_gmt":"2026-10-29T18:32:05","guid":{"rendered":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/?page_id=372"},"modified":"2026-10-29T19:32:06","modified_gmt":"2026-10-29T18:32:06","slug":"lettres","status":"publish","type":"page","link":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/","title":{"rendered":"Lettres"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">D\u00e9couvrez les archives des lettres du Groupe d\u2019Histoire de la Chimie<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>N\u00b0<\/th><th>P\u00e9riode<\/th><th><\/th><\/tr><\/thead><tbody><tr><td>78<\/td><td>janvier 2021<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.2021.lettre_78.janvier.v2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>77<\/td><td>f\u00e9vrier 2020<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.2020.lettre_77.fe_vrier.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>76<\/td><td>d\u00e9cembre 2019<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.2019.lettre_76.de_cembre-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>75<\/td><td>novembre 2019<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.2019.lettre_75.novembre.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>74<\/td><td>janvier 2019<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.2019.lettre_74.janvier.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>73<\/td><td>octobre 2018<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.lettre_no73.octobre_2018-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>72<\/td><td>juillet 2017<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.chc.lettre_no72.juillet_2017-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>71<\/td><td>f\u00e9vrier 2017<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/ghc.chc_.lettre_n71.fe_vrier_2017-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>70<\/td><td>janvier 2017<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no70.janvier2017-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>69<\/td><td>novembre 2016<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no69.novembre2016-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>68<\/td><td>octobre 2016<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no68.octobre2016-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>67<\/td><td>janvier-f\u00e9vrier 2016<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no67.janvier_fevrier_2016-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>66<\/td><td>d\u00e9cembre 2015<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no66.decembre_2015-3.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>64<\/td><td>mars-octobre 2015<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no64.mars_octobre_2015-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>63<\/td><td>janvier-f\u00e9vrier 2015<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no63.janvier_fevrier_2015-3.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>62<\/td><td>d\u00e9cembre 2014<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no62.decembre_2014-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>61<\/td><td>octobre 2014<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no61.octobre_2014-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>60<\/td><td>septembre 2014<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no60-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>59<\/td><td>juin-juillet-ao\u00fbt 2014<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no59-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>58<\/td><td>avril-mai 2014<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no58-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>57<\/td><td>f\u00e9vrier-mars 2014<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no57-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>56<\/td><td>d\u00e9cembre 2013- janvier 2014<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no56-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>55<\/td><td>novembre 2013<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no55-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>54<\/td><td>octobre 2013<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no54-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>53<\/td><td>septembre 2013<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no53-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>52<\/td><td>juillet-ao\u00fbt 2013<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no52-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>51<\/td><td>avril-mai-juin 2013<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no51.avril-mai-juin.2013-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>50<\/td><td>janvier-f\u00e9vrier-mars 2013<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc.lettre_no50.mars.2013-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>49<\/td><td>novembre-d\u00e9cembre 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no49-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>48<\/td><td>octobre 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no48-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>47<\/td><td>ao\u00fbt-septembre 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no47-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>46<\/td><td>juin-juillet 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no46-2-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>45<\/td><td>mai 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no45-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>44<\/td><td>mars-avril 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no44.mars-avril_2012-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>43<\/td><td>f\u00e9vrier 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no43-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>42<\/td><td>janvier 2012<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no42-2-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>41<\/td><td>d\u00e9cembre 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no41-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>40<\/td><td>novembre 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no40-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>39<\/td><td>octobre 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no39-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>38<\/td><td>ao\u00fbt-septembre 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no38-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>37<\/td><td>juin-juillet 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc--lettre_no37-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>36<\/td><td>mai 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no36-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>35<\/td><td>avril 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no35-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>34<\/td><td>mars2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no34-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>33<\/td><td>f\u00e9vrier 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no33-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>32<\/td><td>janvier 2011<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no32-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>31<\/td><td>d\u00e9cembre 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no31-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>30<\/td><td>novembre-d\u00e9cembre 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no30-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>29<\/td><td>novembre 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no29-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>28<\/td><td>octobre 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no28-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>27<\/td><td>septembre 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no27-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>26<\/td><td>ao\u00fbt 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no26-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>25<\/td><td>juillet 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no25-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>24<\/td><td>mai 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no24-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>23<\/td><td>avril 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no23-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>22<\/td><td>mars 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettreno22-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>21<\/td><td>f\u00e9vrier 2010<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no21-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>20<\/td><td>d\u00e9cembre 2009<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettre_no20.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>19<\/td><td>novembre 2009<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre_no19-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>18<\/td><td>octobre 2009<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/chc-lettre-n18-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>17<\/td><td>septembre 2009<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren17-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>16<\/td><td>mai 2009<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren16-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>15<\/td><td>avril 2009<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren15-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>14<\/td><td>f\u00e9vrier 2009<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren14-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>13<\/td><td>octobre 2008<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren13-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>12<\/td><td>mai 2008<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren12-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>11<\/td><td>mars 2008<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren11-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>10<\/td><td>d\u00e9cembre 2007<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren10-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>9<\/td><td>septembre 2007<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettren9-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>8<\/td><td>mai 2007<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettre-8-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>7<\/td><td>mars 2007<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettre7--2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><tr><td>5<\/td><td>f\u00e9vrier 2006<\/td><td><a href=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/10\/lettre-n5-2.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger<\/strong><\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez les archives des lettres du Groupe d\u2019Histoire de la Chimie N\u00b0 P\u00e9riode 78 janvier 2021 T\u00e9l\u00e9charger 77 f\u00e9vrier 2020 T\u00e9l\u00e9charger 76 d\u00e9cembre 2019 T\u00e9l\u00e9charger 75 novembre 2019 T\u00e9l\u00e9charger 74 janvier 2019 T\u00e9l\u00e9charger 73 octobre 2018 T\u00e9l\u00e9charger 72 juillet 2017 T\u00e9l\u00e9charger 71 f\u00e9vrier 2017 T\u00e9l\u00e9charger 70 janvier 2017 T\u00e9l\u00e9charger 69 novembre 2016 T\u00e9l\u00e9charger 68 octobre [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-372","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lettres - SCF Groupe Histoire de la Chimie<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lettres - SCF Groupe Histoire de la Chimie\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez les archives des lettres du Groupe d\u2019Histoire de la Chimie N\u00b0 P\u00e9riode 78 janvier 2021 T\u00e9l\u00e9charger 77 f\u00e9vrier 2020 T\u00e9l\u00e9charger 76 d\u00e9cembre 2019 T\u00e9l\u00e9charger 75 novembre 2019 T\u00e9l\u00e9charger 74 janvier 2019 T\u00e9l\u00e9charger 73 octobre 2018 T\u00e9l\u00e9charger 72 juillet 2017 T\u00e9l\u00e9charger 71 f\u00e9vrier 2017 T\u00e9l\u00e9charger 70 janvier 2017 T\u00e9l\u00e9charger 69 novembre 2016 T\u00e9l\u00e9charger 68 octobre [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/\" \/>\n<meta property=\"og:site_name\" content=\"SCF Groupe Histoire de la Chimie\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-29T18:32:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/06\/img-scf-rs.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/fr\\\/lettres\\\/\",\"url\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/fr\\\/lettres\\\/\",\"name\":\"Lettres - SCF Groupe Histoire de la Chimie\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/#website\"},\"datePublished\":\"2026-10-29T18:32:05+00:00\",\"dateModified\":\"2026-10-29T18:32:06+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/fr\\\/lettres\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/fr\\\/lettres\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/fr\\\/lettres\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Lettres\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/#website\",\"url\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/\",\"name\":\"Soci\u00e9t\u00e9 Chimique de France\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/#organization\",\"name\":\"Soci\u00e9t\u00e9 Chimique de France\",\"url\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/wp-content\\\/uploads\\\/sites\\\/49\\\/2026\\\/06\\\/ico-scf.png\",\"contentUrl\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/wp-content\\\/uploads\\\/sites\\\/49\\\/2026\\\/06\\\/ico-scf.png\",\"width\":696,\"height\":696,\"caption\":\"Soci\u00e9t\u00e9 Chimique de France\"},\"image\":{\"@id\":\"https:\\\/\\\/staging-scf.agence-nsw.xyz\\\/histoire-de-la-chimie\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Lettres - SCF Groupe Histoire de la Chimie","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"fr_FR","og_type":"article","og_title":"Lettres - SCF Groupe Histoire de la Chimie","og_description":"D\u00e9couvrez les archives des lettres du Groupe d\u2019Histoire de la Chimie N\u00b0 P\u00e9riode 78 janvier 2021 T\u00e9l\u00e9charger 77 f\u00e9vrier 2020 T\u00e9l\u00e9charger 76 d\u00e9cembre 2019 T\u00e9l\u00e9charger 75 novembre 2019 T\u00e9l\u00e9charger 74 janvier 2019 T\u00e9l\u00e9charger 73 octobre 2018 T\u00e9l\u00e9charger 72 juillet 2017 T\u00e9l\u00e9charger 71 f\u00e9vrier 2017 T\u00e9l\u00e9charger 70 janvier 2017 T\u00e9l\u00e9charger 69 novembre 2016 T\u00e9l\u00e9charger 68 octobre [&hellip;]","og_url":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/","og_site_name":"SCF Groupe Histoire de la Chimie","article_modified_time":"2026-10-29T18:32:06+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/06\/img-scf-rs.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/","url":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/","name":"Lettres - SCF Groupe Histoire de la Chimie","isPartOf":{"@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/#website"},"datePublished":"2026-10-29T18:32:05+00:00","dateModified":"2026-10-29T18:32:06+00:00","breadcrumb":{"@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/lettres\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/fr\/"},{"@type":"ListItem","position":2,"name":"Lettres"}]},{"@type":"WebSite","@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/#website","url":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/","name":"Soci\u00e9t\u00e9 Chimique de France","description":"","publisher":{"@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/#organization","name":"Soci\u00e9t\u00e9 Chimique de France","url":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/#\/schema\/logo\/image\/","url":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/06\/ico-scf.png","contentUrl":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-content\/uploads\/sites\/49\/2026\/06\/ico-scf.png","width":696,"height":696,"caption":"Soci\u00e9t\u00e9 Chimique de France"},"image":{"@id":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/#\/schema\/logo\/image\/"}}]}},"lang":"fr","translations":{"fr":372},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/pages\/372","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/comments?post=372"}],"version-history":[{"count":1,"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/pages\/372\/revisions"}],"predecessor-version":[{"id":373,"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/pages\/372\/revisions\/373"}],"wp:attachment":[{"href":"https:\/\/staging-scf.agence-nsw.xyz\/histoire-de-la-chimie\/wp-json\/wp\/v2\/media?parent=372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}