Тиомочевины
Test items Index
Thiourea % ≥ 99
Heating Loss % ≤ 0.4
Ash % ≤ 0.1
Water insoluble matter % ≤ 0.02
Thiocyanate % ≤ 0.02
Melting point ℃ 171
Packaging: 25kg、1000kg weaving.
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2,4-Толуилендиизоцианат | Test items Index Isocyanate ％ ≥99.0 Saponifiable chlorine ％ ≤0.01 Chlorine ％ ≤0.04 Crystallizing point℃ ％ 5.0-6.5 Chromaticity （Hazen... |
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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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Цинковый купорос | Testing Items monohydrate heptahydrate Appearance White powder -- Zinc Sulphate content % ≥ 96.09 99 Zn % ≥ 35 22.51 Pb % ≤ 0.001 0.00... |
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DL-Метионин | Project Name Quality indicators Superior grade First grade Shape White or light gray powder DL-Methionine% ≥ 99 98.5 Loss on drying% &le... |
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