Trisodium Phosphate
Usage: In food processing industry, it is used as buffering agent, emulsifier, anti-caking agent, antioxidant additive, nutrition supplement and metal chelating agent.
Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Quality Standard: (GB 25565-2010, FCC VII)
| 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 ≤ | 4.0 | 4.0 | ||
| Fluorides (F), mg/kg ≤ | 50 | 50 | ||
| Insoluble Substances, ≤w/% | 0.2 | 0.2 | ||
| pH Value (10g/L) | 11.5-12.5 | -- | ||
| As, mg/kg ≤ | 3.0 | 3.0 | ||
| Loss of Ignition, w/% | Na3PO4 ≤ | 2.0 | 2.0 | |
| Na3PO4·H2O | 8.0-11.0 | 8.0-11.0 | ||
| Na3PO4·12H2O | 45.0-57.0 | 45.0-57.0 | ||
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