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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