97% Anhydrous Sodium Sulfite Na2SO3
1.purity:97%, 2.White crystal or powder and have smell such as SO2, 3.free sample
4.sodium hydrogen sulfite can be used as reagent, dried fruit and meat preservatives, printing and dyeing industry deoxidizer,
ITEM | Index |
Na2SO3 | 97% |
Clarity test | Qualified |
Water insoluble | ≤ 0.005 |
As | ≤ 0.0001 |
Pb | ≤0.001 |
Fe | ≤0.0005 |
Thiosulfate (S2O3) | ≤0.01 |
Cl | ≤0.005 |
Free base (in NaCO dollars) | ≤0.1 |
Heavy metal | 0.002 |
Appearance: white powder
Density (g/cm3): 1.561
Solubility: Soluble in water, water solution is alkaline. indissolvable in ethanol
Application:Used in artificial fiber stabilizer, fabric bleach, photographic contrast
extravasation, dye bleaching deoxidizer, spices and dye reductant, paper lignin
removal agent
Packaging:The product is delivered regularly in 25 kgs net plastic bags with PE inside.
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