| ≥1 piece | 300 |
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Sodium Acetate |
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It is colorless and transparent crystal or white particle. It is weathered in dry air, loses crystal water at 120 ℃ and decomposes at higher temperature. The relative density is 1.45 and the melting point is 58 ℃. It can be used as buffer, mordant, determination of lead, copper, nickel and iron, medium preparation, organic synthesis, film printing, etc. |
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No. |
ITEMS |
SPECIFICATION |
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1. |
Appearance |
Colorless transparent crystal or white crystalline powder |
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2. |
Assay |
99.0%~101.0% |
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3. |
Reducing substance |
Pass Test |
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4. |
Appearance of solution |
Colourless and transparent |
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5. |
Free acid and free base |
7.5 - 9.0 |
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6. |
Loss on drying(CH3COONa) |
≤1.0% |
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Loss on drying(CH3COONa?3H2O) |
36 - 42% |
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7. |
Heavy metal(Pb) |
≤10ppm |
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8. |
Chloride(Cl-) |
≤200ppm |
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9. |
Aluminum salt |
≤0.2ppm |
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10. |
Iron |
≤10ppm |
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11. |
As |
≤2ppm |
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12. |
Calcium and magnesium ions |
≤50ppm |
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13. |
Sulfate(SO42-) |
≤200 ppm |
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Packaging: |
25kg bag, or as customer’s requirement |
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Storage condition: |
Store in a dry and cool place away from light. |
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Shelf life: |
2 years |
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