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 ) % ≤ 0.037 0.12
Manganese oxide ( Mn) % ≤ 0.0001 0.0002
Cupric oxide ( Cu ) % ≤ 0.0002 0.006
Burning decrement % ≤ 0.2 0.4
105℃ volatile substances % ≤ 0.3 0.4
Water dissoluble % ≤ 0.1 0.4
Hydrochloric indissoluble substance % ≤ 0.006 0.03
Sieve Residue % ≤ 0.1 0.28
Lead oxide(PbO) % ≤ -- 0.12
Package: woven bag, inner with plastic bag.25KG/bag
Другие товары поставщика
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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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Калия цианид |
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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Кокосовые активированные угли |
Item Index
Iodine value(mg/g) ≥ 900
Filling density(g/cm3) 0.45
Loss on drying(%) ≤ 10
Strength(%) ≥ 97
PH value 6-8
Granularity (ey... |
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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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Цианид натрия Китай |
Test items Index
Shape Lump
Sodium cyanide (NaCN) % ≥98.0
Sodiun hydroxide (NaOH) % ≤0.5
Sodium carbonate (Na2CO3) % ≤0.5
Water (H2O... |
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