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| SODIUM META BISULPHITE |
| SPECIFCIATION
|
| PRODUCT
NAME |
SODIUM
METABISULPHITE |
| CAS NUMBER
|
7681-57-4 |
| MOLECULAR FORMULAE |
Na2S2O5 |
| MOLECULAR WEIGHT |
190.11 |
| DESCRIPTION |
WHITE CRYSTALLINE- FREE FLOWING
POWDER |
SOLUBILITY
|
A 20% SOLUTION IN DISTILLED WATER
IS FAIRELY CLEAR WITH VERY SLIGHT OPALESCENCE AND TRACE
IMPURITIES |
| INSOLUBLE MATTER AND
Ca Mg AND |
LESS THAN 0.5% |
| NH4OH PRECIPITATE |
|
| THIOSULPHATE AS Na2S2O35H2O |
LESS THAN 0.1% |
| IRON AS Fe |
LESS THAN 0.005% |
| HEAVY METALS AS Pb |
LESS THAN 0.004% |
| PURITY AS Na2S2O5 |
95.445 |
|
|
|
Profile
