Цианид натрия
Test items Index
Shape Lump
Sodium cyanide (NaCN) % ≥98.0
Sodiun hydroxide (NaOH) % ≤0.5
Sodium carbonate (Na2CO3) % ≤0.5
Water (H2O) % ≤1.0
Water insoluble matter % ≤0.05
Packing:Net weight of 50kg steel drum or 1000kg wooden box.
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Износостойкий стальной шар | Forged grinding steel balls Size Surface Core DIA 40-60 mm HRC60-64 HRC59-63 DIA 70-80 mm HRC60-64 HRC58-62 DIA 90-100 mm HRC60-64 HRC57-6... |
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оксид цинка | Test items Indirect method Direct method Zinc oxide(counted by dried substances )% ≥ 99.7 99.5 Metal ( Zn ) % ≤ None None Lead oxide( Pb ... |
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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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Тиомочевины | Test items Index Thiourea % ≥ 99 Heating Loss % ≤ 0.4 Ash % ≤ 0.1 Water insoluble matter % ≤ 0.02 Thiocyanate % ≤ 0.02 Melting... |
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Карбонат натрия | Item Index Concentrated sulfuric acid Fuming sulfuric acid Sulphuric acid(H2SO4)％ ≥ 92.5or98.0 - Free sulfur trioxide(SO4)％ ≥ - 20.0or25.... |
