DL-Метионин
Project Name Quality indicators
Superior grade First grade
Shape White or light gray powder
DL-Methionine% ≥ 99 98.5
Loss on drying% ≤ 0.3 0.5
Chloride (as NaCl)% ≤ 0.2 0.2
Heavy metals (Pb total more than) mg/kg ≤ 20 20
Arsenic (as As) mg/kg ≤ 2 2
Packaging: Products is packed in plastic bag, each bag is 25kg net weight. The bag should divide into three layers, the outer layer is polyethylene composite cloth, the central layer is Kraft paper, and the inner layer is low density polyethylene film. Or according to the user’s requirements and also conforms to safety rules/standards valid in our country in packing.
Другие товары поставщика
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фтористый водород |
HF:≥99.95%;
H2O:≤0.03%;
SO2:≤0.007%;
H2SO4:≤0.005%;
H2SiF6:≤0.010%. |
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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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Метиленхлористый |
Test items Index
Methylene Chloride % ≥99.95
Water % ≤0.01
Acid (HCl) % ≤0.0004
Chromaticity Hazen Unit(Pt-Co Color) ≤10
Residue a... |
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Сульфид натрия |
Class 1 Class 2 Class 3
Test items Superior grade A first-rate product Acceptable product A first-rate product Acceptable product
Sodium Sulphi... |
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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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