Сульфат аммония
Test items Index
Exterior White crystalline
Nitrogen ％ ≥ 21
Water (Ｈ2Ｏ) ％ ≤ 0.2
free carbonic acid (H2SO4)％ ≤ 0.03
Iron (Fe) ％ ≤ 0.007
Arsenic(As) ％ ≤ 0.00005
Heavy metal (pb) ％ ≤ 0.005
Water insoluble matter ％ ≤ 0.01
Packaging: 25kg、50kg、1000kg Weaving.
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Сульфат аммония | Test items Index Exterior White crystalline Nitrogen ％ ≥ 21 Water (Ｈ2Ｏ) ％ ≤ 0.2 free carbonic acid (H2SO4)％ ≤ 0.03 Iron (Fe) ％ ≤ 0... |
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Соляная кислота | Item Index Total acidity（HCI） ≥ 31.0 Iron（Fe） ≤ 0.002 Residue on ignition ％ ≤ 0.05 Free chlorine（CI）％ ≤ 0.004 Arsenic(As)％ ≤ 0.... |
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Калия бихромат | Item Index Potassium dichromate （K2Cr2o7） % ≥ 99.7 Chlorides (Cl)% ≤ 0.05 Insoluble ≤ 0.02 Sulfates ( SO4-2) % ≤ 0.02 Na+ % ≤ 0... |
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Пиросернистокислый натрий | Test items Refined High-purity grade Food-grade Industrial-grade Sodium metabisulfite % ≥ 98.5 98 97.5 97.0 Iron Fe % ≤ 0.0005 0.001 0.0015... |
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Сульфат меди | Test items Superior grade Feed-grade Cupric sulfate(CuSO4.5H2O) % ≥ 98 98.5 Acidity (H2SO4) % ≤ 0.2 0.2 Water insoluble matter % ≤ 0.2... |
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