NILE
CHEMICALS
NILE
CHEMICALS
|
SILICOTUNGSTIC ACID GR |
|
| 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 ) | |