Diwodorofosforan potasowy, ExpertQ® do analizy, ACS,ISO, Reag. Ph Eur – SCHARLAU
Additional information
| Wielkość opakowania | |
|---|---|
| Nr katalogowy | 45-PO0260005P, 45-PO02600250, 45-PO0260025P, 45-PO02600500, 45-PO02601000 |
| Producent: | |
| CAS: |
POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Potassium dihydrogen phosphate, ExpertQ®
– Synonyms: Potassium biphosphate, Potassium phosphate monobasic, Primary potassium phosphate, Mono-potassium phosphate
– KH2PO4
– M = 136,09 g/mol
– CAS [7778-77-0]
– EINECS-No.: 231-913-4
– Solub. in water: (20 ºC): 222 g/l
– Melting point: ~ 253 ºC (decomposes)
– Tariff number: 2835 24 00 00
– Applications: analytical chemistry; in buffer solutions.
SPECIFICATIONS
assay (acidimetric, on dried sample): min. 99,5 %
assay (acidimetric, referred to dried sample): 98,0 – 100,5 %
assay (acidimetric): min. 99,0 %
identity (IR-spectrum): passes test
appearance of solution (10 %, H2O): clear and colourless
insoluble in water: max. 0,01 %
pH (5 %, H2O): 4,2 – 4,5
chlorides (Cl): max. 5 ppm
sulfates (SO4): max. 0,003 %
total nitrogen (as N): max. 0,001 %
arsenic (As): max. 2 ppm
heavy metals: max 0,001 %
iron (Fe): max. 10 ppm
sodium (Na): max. 0,005 %
reducing substances: passes test
loss on drying (105 °C, 2 h): max. 0,2 %
loss on drying (110 ºC): max. 0,2 %
loss on drying (130 ºC): max. 2,0 %
