Food Grade Phosphates

DCP Dicalcium Phosphate Granular Dicalcium Phosphate Feed Grade Testing Item Standard Result Phosphorus(P)/% ≥18 18.15 Citric acid soluble phosphorus/% / 98 Calcium(Ca)/% ≥20 22.89 Fluorine(F)/% ≤0.18 0.1 Arsenic (As)/% ≤0.0020 0.00078 Heavy Metal (Pb)/% ≤0.0030 0.00038 Cadmium(Cd)/% ≤0.0010 0.0001 Chromium(Cr)% ≤0.0030 0.00049 Size(powder pass 0.5mm test sieve)/% ≥95 conforms Size(granule pass 2mm test sieve)/% ≥90 conforms

MCP Monocalcium Phosphate Powder,Feed Grade Testing Item Standard Result Phosphorus(P)/% ≥22 22.50 water soluble phosphorus/% ≥20 21.35 Calcium(Ca)/% ≥13 14.36 Fluorine(F)/% ≤0.18 0.12 Arsenic (As)/% ≤0.0020 0.0007 Heavy Metal (Pb)/% ≤0.0030 0.0006 Cadmium(Cd)/% ≤0.0010 0.0001 Chromium(Cr)% ≤0.0030 0.0003 Size(powder pass 0.5mm test sieve)/% ≥95 conforms Size(granule pass 2mm test sieve)/% ≥90 conforms Note: When a user with special requirements for fineness, negotiated by

Food Grade supplements SAPP Sodium Acid Pyrophosphate Items Standards Assay (%) (Na2H2P2O7) ≥95.00% P2O5 (%) ≥64.00%,≤64.5% Fluoride(PPM) ≤10mg/kg Cadmium(PPM) ≤1mg/kg Lead (PPM) ≤1mg/kg Mercury(PPM) ≤1mg/kg Arsenic(PPM) ≤1mg/kg Substances not dissolved in water(%) ≤1.0% PH value(%) ≥3.5,≤4.2 Loss on drying ≤0.5% 100mesh through >99% 200mesh through >86% 16mesh through ≥95% Ror 28 Aluminum(PPM) ≤200 :

SODIUM TRIPOLYPHOSPHATE, STPP,INDUSTRIAL GRADE Molecule formula : Na5P3O10. Molecule weight : 367.86 Application : detergent , ceramic industry CAS NO : 7758-29-4 Description : white power or granular , easy soluble in water , insoluble in ethanol Item Index Whiteness /% ≥ 90 phosphorus pentoxide (P2O5)/% ≥ 57 Sodium Tripolyphosphate (Na5P3O10)/% ≥ 96 Water insoluble matter/% ≤ 0.1 Iron (Fe)/% ≤ 0.007 pH value (1% solution) 9.2-10.0 Density: 0.35-0.90g/cm3 Melting point: 622℃

Phosphoric Acid 75%,Food Grade Test Item Standard Required Actual Result Main Content(H3PO4) ≥85% 84.15% Arsenic(As) ≤0.00005% 0.00% Heavy Metal(as Pb) ≤0.0005% 0.00% Fluoride(F) ≤0.001% 0.00% Easily oxidized substance(H3PO3) ≤0.012% 0.00% Conclusion This batch of goods is qualified as per GB1886.15-2015 for delivery.

SAPP Sodium Acid Pyrophosphate, Food Grade,ZEXIN BRAND specifications Industrial Grade Food Grade 1 Appearance White powder White powder 2 Assay(as Na2H2P2O7)% ≥ 95 96 3 P2O5% ≥ 63.0-63.0 63.0-65.0 4 PH Value 3.5-4.7 3.5-4.6 5 Water Insoluble %≤ 1 1 6 Fluoride (as F) % ≤ 0.004 7 Heavy Metals (as Pb) % ≤ 0.001 8 Arsenic (As)% ≤ 0.0005

Inspection items The degree of the products Best Grade Products Best Grade Products First grade products Main contents(counted with H3PO3) 99 98.8 98 Iron(counted with Fe) 0.001 0.0014 0.0020 Chloride(counted with C1) 0.008 0.01 0.01 Sulfate(counted with SO4) 0.001 0.002 0.002 Phosphate(counted with SO4) 0.1 0.2 0.2 Complexion White crystal White crystal White crystal Water solution experiments White crystal Clear and achromatic Clear and achromatic Phosphorous acid ,