di-Potasio Hidrógeno Fosfato, anhidro, para biología molecular

CAS: 7758-11-4

Confezionamento	Codice	Disponibilità	Prezzo prodotto
x 1 kg :: Plastic bottle	PO02651000	Disponibile	Acquista

- Synonyms: Dipotassium hydrogen phosphate, Potassium phosphate dibasic
- K2HPO4
- M = 174,18 g/mol
- CAS [7758-11-4]
- EINECS-No.: 231-834-5
- Solub. in water: (20 ºC): soluble
- Tariff number: 2835 24 00 00
- Applications: analytical chemistry, in buffer solutions (phosphates), nutrient media for bacterial culture.

SPECIFICATIONS
assay (acidimetric): min. 99 %
pH (5 %, H2O, 20 °C): 8,7 - 9,4
heavy metals (as Pb): max. 0,001 %
insoluble matter: passes test
loss on drying (105 ºC): max. 1,0 %
chlorides (Cl): max. 0,02 %:
fluorides (F): max. 0,001 %
sulfates (SO4): max. 0,005 %

A at 260 nm (1 cm/0,1 M in H2O): max. 0,05 AU
A at 280 nm (1 cm/0,1 M in H2O): max. 0,05 AU