Lub cev muaj zog ntawm Sodium Thiosulfate Pentahydrate
Oct 29, 2021
Cov khoom siv: Cov xim tsis muaj xim monoclinic, tsis muaj ntxhiab, nrog rau qhov txias thiab iab saj.
Melting point 40 ~ 45 ℃
txheeb ze ntom ntom 1.729 (17 ℃)
Solubility: Yooj yim soluble hauv dej, thiab cov kua dej aqueous yog ze li ntawm nruab nrab. Soluble nyob rau hauv turpentine thiab ammonia. Insoluble hauv ethanol. Decomposes nyob rau hauv acidic kua.
Thaum rhuab mus rau 100 ° C, 5 siv lead ua dej poob. Nws yog ib qho yooj yim rau huab cua nyob rau hauv qhuav huab cua saum toj no 33 ℃, thiab nws yog deliquescent nyob rau hauv moist.
Sodium thiosulfate pentahydrate (Big Soda / Hybo) yog cov xim tsis muaj xim thiab pob tshab. Nws yog ib qho hydrate ntawm sodium thiosulfate. Nws yog yooj yim soluble nyob rau hauv dej, thiab nws cov aqueous tov yog me ntsis alkaline. Nws huab cua qhuav saum 33 ℃ thiab poob dej siv lead ua. Nws yog qhov ruaj khov nyob rau hauv nruab nrab thiab alkaline kev daws teeb meem, thiab decomposes sai hauv cov kua qaub.
