| CAS No.: | 7681-11-0 |
|---|---|
| Formula: | Ki |
| EINECS: | 231-659-4 |
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Product Description
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Potassium Iodide specification
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Item
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Content
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Potassium iodide(dry)
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≥ 99.0 %
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pH(50g/L, 25 centigrade)
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6.0~8.0
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Heavy metal (as Pb)
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≤ 0.0002%
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Chloride and Bromide (Cl)
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≤ 0.01%
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Sulfate (SO4)
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≤ 0.002%
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Iodate
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≤ 0.0003%
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Barium(Ba)
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≤ 0.001%
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Phosphate(PO4)
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≤ 0.001%
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Iron (Fe)
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≤ 0.0001%
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Arsenic (As)
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≤ 0.00001%
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Calcium(Ca)
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≤ 0.001%
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Sodium (Na)
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≤ 0.05%
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Magnesium (Mg)
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≤ 0.001%
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White cubic crystal or powder. It is slightly hygroscopic in moist air, precipitates free iodine for a long time and turns yellow, and can form a trace amount of iodate. Light and moisture can accelerate decomposition. 1 g was dissolved in 0.7 ml of water, 0.5 ml of boiling water, 22 ml of ethanol, 8 ml of boiling ethanol, 51 ml of absolute ethanol, 8 ml of methanol, 7.5 ml of acetone, 2 ml of glycerol, and about 2.5 ml of ethylene glycol. Its aqueous solution is neutral or slightly alkaline and can dissolve iodine.
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