TALA FOU
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Tulaga Fa'apitoa mo S...
2021-07-09
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Siata tafe ole sodium formald...
2021-07-09
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Talosaga ma fa'agaioiga fa'avae...
2021-07-09
Fa'aaliga ma meatotino: pa'epa'e tioata pa'epa'e
#sodimsulfite
Fa'aaliga ma meatotino: pa'epa'e tioata pa'epa'e
CAS: 7757-83-7
Melting point (℃): 150 (decomposition by dehydration)
Relative density (water = 1): 2.63
Molecular formula: Na2SO3
Molecular weight: 126.04 (252.04)
Solubility: easily soluble in water , insoluble in ethanol, etc.
Uses of #sodiumsulfite
1. Reducing bleaching agent,
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.