Sodium hydrosulfite Lub Cev Khoom

Sodium hydrosulfite yog ib yam khoom uas yooj yim rau dej nkag, tseem hu ua sodium dithionite. Nws muaj ob hom: hydrated (Na₂S₂O₄·2H₂O) thiab anhydrous (Na₂S₂O₄). Hom hydrated zoo li cov siv lead dawb zoo, thaum hom anhydrous yog hmoov daj daj. Nws muaj qhov ceev ntawm 2.3–2.4 thiab lwj thaum kub liab. Sodium hydrosulfite yaj tau hauv dej txias tab sis lwj hauv dej kub. Nws cov kua dej tsis ruaj khov thiab muaj cov yam ntxwv txo qis, ua rau nws yog tus neeg sawv cev txo qis muaj zog.

Nqa koj cov khoom siv raw los xyuas kom meej tias kev xa khoom ruaj khov ntawm cov hmoov pov hwm los ntawm qhov chaw, yam tsis txhawj txog kev cuam tshuam kev xa khoom. Nyem qhov no kom tau txais cov lus hais zoo thiab cov kev pabcuam pab pawg.