Zinc oxide
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
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Causiu Soda flakes |
Item Index
Causiu Soda flakes（NaOH）% ≥ 99
Sodium carbonate（NaCO3）% ≤ 0.5
Sodium chloride（NaCl）% ≤ 0.03
Ferric oxide（Fe2O3）% ≤ 0.005... |
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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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Sodium Sulphide |
Class 1 Class 2 Class 3
Test items Superior grade A first-rate product Acceptable product A first-rate product Acceptable product
Sodium Sulphid... |
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Anhydrous Sodium Sulfite |
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 (N... |
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ISO Container |
二十英尺干货箱 L:5,919mm W:2,286mm
20'Dry Cargo W:2,340mm H:2,278mm
H:2,380mm
四十英尺干货箱 L:12,045mm W:2,289mm
40'Dry Cargo W:2,309mm H:2,278mm
H:2,... |
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