di-Potassio idrogenofosfato anidro, per analisi, ExpertQ®, ACS, Reag. Ph Eur
- 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, on dried sample): min. 99,0 %
identity (IR-spectrum): passes test
insoluble in water: max. 0,01 %
pH (5 %, H2O): 8,5 - 9,6
chlorides (Cl): max. 0,003 %
sulfates (SO4): max. 0,005 %
nitrogen compounds (as N): max. 0,001 %
heavy metals: max. 5 ppm
iron (Fe): max. 0,001 %
sodium (Na): max. 0,05 %
loss on drying (105 ºC): max. 1,0 %
| Codice | ||
|---|---|---|
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PO0258005P |
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PO0258025P |
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PO02580500 |
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|
PO02581000 |
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