Item | Specification | Test Method |
Sn | ≥42 | Potassium iodate titration |
Pb | ≤0.002 | Atomic absorption spectrophotometry |
Sb | ≤0.0025 | Malachite green spectrophotometric |
As | ≤0.001 | Molybdo Antimony Arsenate blue spectrophotometric |
Fe | ≤0.02 | Phenanthroline spectrophotometry |
NaOH | ≤3.5 | Neutralization titration |
NO3- | ≤0.1 | Indigo carmine titration |
Alkali-Insol.Mat | ≤0.10 | Weight method |
Packing | In 25kg UN drums; or in 1000kg plastic bags. |
Storage | Keep in a tightly closed container, stored in a cool, dry, ventilated area. |
Item | Specification | Test Method |
Sn | ≥42 | Potassium iodate titration |
Pb | ≤0.002 | Atomic absorption spectrophotometry |
Sb | ≤0.0025 | Malachite green spectrophotometric |
As | ≤0.001 | Molybdo Antimony Arsenate blue spectrophotometric |
Fe | ≤0.02 | Phenanthroline spectrophotometry |
NaOH | ≤3.5 | Neutralization titration |
NO3- | ≤0.1 | Indigo carmine titration |
Alkali-Insol.Mat | ≤0.10 | Weight method |
Packing | In 25kg UN drums; or in 1000kg plastic bags. |
Storage | Keep in a tightly closed container, stored in a cool, dry, ventilated area. |
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