TETRAPOTASSIUM PYROPHOSPHATE (TKPP), FCC / NSF GRADE

Wintersun code: 20-005
CAS Number: 7320-34-5
Molecular Formula: K4P2O7

Sales Specification

Assay %: 95.0 Min
pH (1% Solution): 10.0 – 10.7
Bulk Density (Pouring) gm/cc: 0.85 Min
Loss on Ignition (800?C for 30 min): 0.5 Max
Water Insoluble %: 0.1 Max
Phosphates as P2O5 on dry basis %: 42.0 – 43.7
Fluoride as F: 10.0 Max
Arsenic as As: 1.0 Max
Lead as Pb: 1.0 Max
Cadmium as Cd: 1.0 Max
Mercury as Hg: 1.0 Max
Iron as Fe: 50.0 Max
Particle size distribution
Retained on 20 mesh (850μm) %: 10.0 Max
Passed thru 100 mesh (150μm) %: 25.0 Max

Packing

In 50 lb bag, 44 bags per pallet

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