NILE CHEMICALS
SILICOTUNGSTIC ACID GR
SPECIFICATION |
|
H4SiW12O40xH2O M.W. 2878.29 | |
Minimum assay | 99.5% |
Maximum Limits of Impurities : | |
Chloride ( CI ) | 0.002% |
Sulphate ( SO4 ) | 0.005% |
Total Nitrogen ( N ) | 0.002% |
Heavy metals ( as Pb ) | 0.002% |
Iron ( Fe ) | 0.001% |
sodium ( Na ) | 0.02% |
Potassium ( K ) | 0.02% |
Loss on ignition ( 750OC ) | 16.00% |
( As a reagent for pptn and | |
determination of alkaloids ) | |
PRODUCT LIST
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