di-Potassium hydrogen phosphate trihydrate, HPLC grade
- Synonyms: Secondary potassium phosphate, Potassium phosphate dibasicr- K2HPO4·3H2Or- M = 228,23 g/molr- CAS [16788-57-1]r- EINECS-No.: 231-834-5r- Solub. in water: (20 ºC): freely solubler- Tariff number: 2835 24 00 00r- Applications: in buffer solutions (chromatography).rrSPECIFICATIONSrassay (acidimetric): min. 99 %ridentity (IR-spectrum): passes testrinsoluble matter: passes testrpH (5 %, H2O): 9,2 - 9,4 rrwavelength:: absorbance:r230 nm: 0,1 AUr240 nm: 0,06 AUr250 nm: 0,04 AUr310 nm: 0,02 AUr
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