China Reagent Grade Trisodium Phosphate Dodecahydrate, Find details about China Trisodium Phosphate Dodecahydrate, Tri-Sodium Orthophosphate from Reagent Grade Trisodium Phosphate Dodecahydrate
Specification | GB 25565-2010 | FCC VII | ||
Assay,w/% ≥ | Anhydrous (Ignited Basis, Na3PO4) | 97.0 | 97.0 | |
Monohydrate (Ignited Basis, Na3PO4) | ||||
Dodecahydrate(Ignited Basis, Na3PO4) | 90.0 | |||
Heavy Metals (Pb), mg/kg ≤ | 10 | ---- | ||
Pb, mg/kg ≤ | 4 | 4 | ||
Fluorides (F), mg/kg ≤ | 50 | 50 | ||
Insoluble Substances , w/% ≤ | 0.2 | 0.2 | ||
pH Value (10g/L) | 11.5-12.5 | ---- | ||
As, mg/kg ≤ | 3 | 3 | ||
Loss On Ignition, w/% | Na3PO4 ≤ | 2.0 | 2.0 | |
Na3PO4·H2O | 8-11 | 8.0-11.0 | ||
Na3PO4·12H2O | 45-57 | 45.0-57.0 |