Properties: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity, and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
Specification
Item
Index
SodiumMetabisulfite (SO2) 65% Min
Iron (Fe) 0.003% Max
Water Insoluble Matter
0.05% Max
PH
4.0-4.6
Heavy metal (as Pb) 0.002% Max
Arsenic (As) 0.0002% Max
Packing: Net each in 25kg plastic woven bag, lined with PE bag.
Application: Mainly used for manufacturing sulphuric acid and bactericidal agent, Carrying out vegetable dehydrate, fruit preservation and bleaching.
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Trade Leads Directory -> All Trade Leads -> Chemicals -> Inorganic Chemicals -> Sodium Metabisulfite
