Item Top Grade First Grade Qualified Grade
Purity%,≥ 90 85 85
Chroma(Pt-Co)≤ 10 20
Dilution test(Acid+water=1+3)%, ≤ No cloud Qualified
Chloride(C1)%, ≤ 0.003 0.005 0.020
Sulfate(S04) %, ≤ 0.001 0.002 0.050
Iron(Fe) %,≤ 0.0001 0.0005 0.0010
Residue on evaporation,%, ≤ 0.006 0.020 0.080

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Puyang Tiancheng Chemical Co.,Ltd[China]

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