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򣨻ѧʽSO2ɫ壬ǿҴ̼ζҪȾ֮һɽʱ壬๤ҵҲúʯͨ򻯺ȼʱɶ򡣵ˮУγᣨҪɷ֣SO2һͨڴ߻Ĵ£ᡣǶʹЩȼΪԴĻЧĵĵԭ֮һ
ѧƷ
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ƣ ı ӢıSulfur Dioxide
Ϣ
˵룺41 CAS No.7446-09-5 EINECSţ231-195-2 InChIInChI=1/O2S/C1-3-2
༭νṹ

SO2һķӣԳƵȺΪC2vԭӵ̬Ϊ+4ʽΪ05Ӷ԰Χţ˿Ϊ۷ӡӷӹ۵Ĺ۵ΪЩ۵Ӵ󲿷ֶγS-O  ֹṹ
SO2еS-O143.1 pmҪһеS-O148.1 pṃO3еO-O127.8 pmO2еO-O120.7 pmSO2ƽܣ548 kJ molҪSOƽܣ524 kJ molO3ƽܣ297 kJ molСO2ƽܣ490 kJ molЩ֤ʹѧҵóۣеS-OļΪ2еO-OͬеO-OļΪ1.5 ӽṹ뼫ԣVηӣԷӡ

ɫΪɫд̼ζж壬ܶȱȿҺˮԼΪ1:40ܶ2.551g/L壬20϶£ ۵㣺-72.4棨200.75K е㣺-10棨263K

ܽȣ

122 g/100mL(0)  15 g/100mL(10) 
211 g/100mL(20) 9.4 g/100mL(25 )
38 g/100mL(30) 6.5 g/100mL(40 )
45 g/100mL(50) 4 g/100mL(60)
53.5 g/100mL(70 ) 3.4 g/100mL(80 )
63.5 g/100mL(90 ) 3.7 g/100mL(100)

ѧ
ȼյ S(s) +O2(g) =ȼ= SO2(g) ȼɶ 2H2S(g) + 3O2(g) ==ȼ= 2H2O(g) + 2SO2(g) п򻯹ɶ  ƯƷҺ
4FeS2(s) + 11O2(g) === 2Fe2O3(s) + 8SO2(g) 2ZnS(s) + 3O2(g) === 2ZnO(s) + 2SO2(g) HgS(s) + O2(g) === Hg(g) + SO2(g) ӦãԼΪɱɱƯ׼ͻԭڴУܽǻữҪǰжŨ0.5ppm϶DZӰ죻1~3ppmʱ˿ʼе̼400~500ppmʱ˻ͷˮֱϢ  ʵ鲽
е̳ЭͬáжŨΪ0.21ppm̳Ũȴ0.3mg/lLʹߣԲߵIJѸٶ񻯡׶¼˹ӹ¼Ͷŵ¼ЭͬɵΣ Claude RibbeڡصСһеļأ19ڱһЩںصľһֶҩѹūķ ʳƷƯ׺ͷãʹöܹﵽʹƷ۹׵ЧʳƷӹгõƯ׼ͷϸչйطΧͱ׼ʹã򣬻Ӱ彡ڹ̲źලβֵطĸ̷ЩʳƷҵΪ׷Ʒõɫ󣬻ӳʳƷװޣΪڸʳƷʳƷΥʹûʹöӼ

ҵƱ

(SO2) ȡķУǣɫ򻯿󣻷պ壻ʯʯࣻȷֽԼȼպȼϵ̵л(ԭ) ҺʱͨƵô壬Ȼѹ䶳ҺҪĹҵУ ٹϣ-ϣط˷ʼ1884,ˮռնҺҺڷչ˼ѹˮշ ڰ-ᷨ˷һתĽӴ᳧βĻա԰ˮΪԭʼռֽҺƵô塣 Һշ޻лҺյŨȶ壬ȻҺƵôҪռ̼ơơʽлȵҺ ֱ䶳Ӻн䲿룬ֱƵҺδĶ򷵻ϵͳ -ǷʹҺڷӦнзӦƵô塣

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