DL-Methionine
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.
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Sodium metabisulfite |
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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Hydrochloric acid |
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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Methylene Chloride |
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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Intermediate Bulk Containers |
1000L intermediate bulk container (IBC), the IBC plastic container barrels, one thousand liters bucket, t barrels
Product Name: IBC barrels [820L... |
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Potassium cyanide |
Test items Index
Shape Lump
Potassium cyanide （KCN） % ≥99.0
Potassium hydroxide（KOH） % ≤0.3
Potassium carbonate(K2CO3）% ≤0.4
Potassi... |
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