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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Сульфат натрия безводный |
Test items Food-grade High-purity grade Industrial-grade
Sodium sulfite (Na2SO3) % ≥ 97 98 97
Iron Fe % ≤ 0.001 0.001 0.003
Free Alkali (... |
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Диметиламин |
Appearance: colorless transparent liquid.
Dimethylamine ≥ 99.8%;
Monomethylamine ≤ 0.10%;
Trimethylamine ≤ 0.05%;
Ammonia ≤ 0.03%;
Purposes: m... |
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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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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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Триоксид мышьяка |
Main content Other impurities
Arsenic trioxide Iron Lead Chlorine Chromium Cadmium Water
As2O3 Fe Pb Cl Cr Cd H2O
≥ ≤ ≤ ≤ ≤ &l... |
Все товары поставщика
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