| Quantity: | |
|---|---|
7758-16-9
bosschem
7758-16-9
Product Description
Product Name: Sodium pyrophosphate
Specifications :
| Test Items | Specification |
| Appearance | White powder or grains |
| Assay (Na2H2P2O7),% | 95.0 min |
| Water insoluble,% | 1.0 max |
| PH value (1% solution) | 3.7-4.4 |
| Loss on drying,% | 0.5 max |
| Arsenic, ppm | 2 max |
| Fluoride, ppm | 30 max |
| Heavy metal | 10 max |
| Pb, ppm | 4 max |
| Cd, ppm | 1 max |
| Hg, ppm | 1 max |
| Bulk density, g/l | 800-1150 |
| Ror | 26-30 |
