group nameIndustrial anhydrous Sodium Sulfite
Min Order1 piece
model98%
update timeFri, 10 Feb 2012 17:59:23 GMT
Min Order1 piece
PURITY:98.0%MIN
Molecular Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white crystalline powder
Uses: used in leather and tannage, plant bleaching agent, reductant , etc.
Item |
Index | ||
I |
II |
III | |
Sodium Sulphite (Na2SO3)/%﹥﹦ |
97.0 |
93.0 |
90.0 |
Fe /% ﹤= |
0.003 |
0.005 |
0.02 |
Water insoluble/% ﹤= |
0.02 |
0.03 |
0.05 |
Free alkali (Na2CO3) /% ﹤= |
0.10 |
0.40 |
0.80 |
Sulfate (Na2SO4) /% ﹤= |
2.5 |
一 |
一 |
Chloride (NaCl) /% ﹤= |
0.10 |
一 |
一 |
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