di-Potassium hydrogen phosphate anhydrous, for analysis, ExpertQ®, ACS, Reag. Ph Eur
- Synonyms: Dipotassium hydrogen phosphate, Potassium phosphate dibasicr- K2HPO4r- M = 174,18 g/molr- CAS [7758-11-4]r- EINECS-No.: 231-834-5r- Solub. in water: (20 ºC): solubler- Tariff number: 2835 24 00 00r- Applications: analytical chemistry, in buffer solutions (phosphates), nutrient media for bacterial culture.rrSPECIFICATIONSrassay (acidimetric, on dried sample): min. 99,0 %ridentity (IR-spectrum): passes testrinsoluble in water: max. 0,01 %rpH (5 %, H2O): 8,5 - 9,6rchlorides (Cl): max. 0,003 %rsulfates (SO4): max. 0,005 %rnitrogen compounds (as N): max. 0,001 %rheavy metals: max. 5 ppmriron (Fe): max. 0,001 %rsodium (Na): max. 0,05 %rloss on drying (105 ºC): max. 1,0 %r
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