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Potassium iodide puriss. p.a. reag. ISO reag. Ph. Eur. greater than or equal to 99.5%

Code: 30315-50KG N1-1

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Puriss. p.a., Reag. ISO, Reag. Ph. Eur., ≥99.5%

Assay:min. 99.5 %
Assay (calculated to the dried substance):99.0 - 100.5 %
Loss on drying (105°C):max. 0.2 %
pH (5 %, 25 °C):6 to 8
Free alkali (as KOH):max. 0.02 %
Arsenic (As):max. 0.00001 %
Barium (Ba):max. 0.002 %
Calcium (Ca):max. 0.001 %
Iron (Fe):max. 3 ppm
Magnesium (Mg):max. 0.001 %
Sodium (Na):max. 0.03 %
Heavy metals (as Pb):max. 5 ppm
Bromide, chloride (as Cl):max. 0.01 %
Iodate (JO3):complying
Iodate (IO3):max. 0.0002 %
Phosphate (PO4):max. 0.001 %
Sulfate (SO4):max. 10 ppm
Thiosulfate (S2O3):complying (max. 0.005 %)
Total N:max. 0.001 %
Reducing impurities:complying
Appearance of the solution:complying