Potassium dichromate 99.9% AR | K2Cr2O7, 500 Gram

Synonym : Potassium bichromate

Grade : AR

Purity : 99.9%

CAS No. : 7778-50-9

Molecular Formula : K2Cr2O7

Molecular Weight : 294.18

H.S.Code : 2841.50900

Shelf Life : 60 Months

Physical Properties

Physical state at 20 C : Solid

Colour : Orange Crystalline

Odour : Odorless

pH value : 4.04 (1% aq. solution)

Melting point/ Freezing point [C] : 398 C

Boiling point [C] : 500C

Density [g/cm3] : 2.676

Solubility in water [% weight] : 6.5% at 20 C

Partition coefficient Log Pow octanol / water at 20C : 5

Specification

Appearance : Orange crystalline powder

Assay (iodometric) : Min 99.9%

Insoluble matter : Max 0.005%

Chloride (Cl) : Max 0.001%

Sulphate (SO4) : Max 0.005%

Lead (Pb) : Max 0.005%

Calcium (Ca) : Max 0.002%

Iron (Fe) : Max 0.002%

Copper (Cu) : Max 0.001%

Sodium (Na) : Max 0.02%

Loss on drying (at 105C) : Max 0.05%

Note :

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MOHON TANYAKAN STOCK TERLEBIH DAHULU

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Potassium Dichromate 99.9%, A.R | K2Cr2O7, 500 Gram

Potassium Dichromate 99.9%, A.R | K2Cr2O7, 500 Gram

Rp 2.170.000

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