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di-Potassium hydrogen phosphate trihydrate, EssentQ®

- Synonyms: Secondary potassium phosphate, Potassium phosphate dibasic
- K2HPO4·3H2O
- M = 228,23 g/mol
- CAS [16788-57-1]
- EINECS-No.: 231-834-5
- Solub. in water: (20 ºC): freely soluble
- Tariff number: 2835 24 00 00
- Applications: in buffer solutions (chromatography).

SPECIFICATIONS
assay (acidimetric): 98 - 102 %
insoluble in water: max. 0,01 %
pH (5 %, H2O): 8,5 - 9,6
chlorides (Cl): max. 0,005 %
sulfates (SO4): max. 0,01 %
nitrogen compounds (as N): max. 0,005 %
arsenic (As): max. 5 ppm
copper (Cu): max. 0,003 %
iron (Fe): max. 0,003 %
lead (Pb): max. 0,003 %
nickel (Ni): max. 0,003 %

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