Ymddangosiad ac eiddo: powdr crisial gwyn

#sodimsulfite

Ymddangosiad ac eiddo: powdr crisial gwyn

CAS: 7757-83-7

Pwynt toddi (℃): 150 (dadelfennu trwy ddadhydradiad)

Dwysedd cymharol (dŵr = 1): 2.63

Fformiwla foleciwlaidd: Na2SO3

Pwysau moleciwlaidd: 126.04 (252.04)

Hydoddedd: hydawdd mewn dŵr, anhydawdd mewn ethanol, ac ati.

Uses of #sodiumsulfite

1. Lleihau asiant cannu,

2. In the #printing and #dyeingindustry, it is used as a deoxidizer and bleaching agent for the scouring of various cotton fabrics. It can prevent the local oxidation of cotton fibers and affect the fiber strength, and improve the whiteness of the scouring product.