Sigma Aldrich Potassium phosphate monobasic meets analytical specification of Ph. Eur., NF, E340, anhydrous, 98-100.5% (calc. to the dried substance) Cas 7778-77-0 1 Kg
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Stok Kodu
04243-1KG-R
Kategori
Marka
Havale
2.293,60 TL
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257,65 TL den başlayan taksitlerle!!
2.414,31
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| Sigma Aldrich 04243 Potassium phosphate monobasic meets analytical specification of Ph. Eur., NF, E340, anhydrous, 98-100.5% (calc. to the dried substance) Cas 7778-77-0 1 Kg |
| Teknik Özellikler | |
| Catalog No |
: 04243 |
| Cas Number | : 7778-77-0 |
| Linear Formula |
: KH2PO4 |
| Molecular Weight |
: 136.09 |
| EC Number | : 231-913-4 |
| MDL Number | : MFCD00011401 |
| Assay |
: %98 - 100.5 % (calc. to the dried substance) |
| Quality |
: meets analytical specification of Ph. Eur., NF, E340 |
| İmpurities |
org. volatile impurities, complies (GC)
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.04% KMnO4 red. matter (as O)
≤0.2% in water insoluble matters |
| Loos |
: ≤ 1 % loss on drying, 130 °C |
| ph |
: 4.2 - 4.5 (20 °C, 5 %) |
| pKa (25 °C) |
: (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| mp |
: 252.6 °C (lit.) |
| Solubility |
H2O: soluble4.5 parts
alcohol: insoluble |
| Density |
: 2.338 g/mL at 25 °C (lit.) |
|
Anion traces |
( |
| Cation traces |
As: ≤2 mg/kg
Cd: ≤1 mg/kg
Cu: ≤20 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
Na: ≤1000 mg/kg
Pb: ≤4 mg/kg
Zn: ≤20 mg/kg |
| Suitability |
: complies for appearance of solution |
