Potassium phosphate monobasique anhydre (Ph. Eur., NF, E340) 98-100,5 %
Monopotassium phosphate, Potassium dihydrogenophosphate, or Potassium phosphate
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Référence : 9162846
Unité de vente : 6 x 1 kg
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Impurities : 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
Loss : ≤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: soluble 4.5 parts
alcohol: insoluble
Density : 2.338 g/mL at 25°C (lit.)
Anion traces :
chloride (Cl-): ≤ 10 mg/kg
fluoride (F-): ≤ 10 mg/kg
sulfate (SO42-): ≤ 200 mg/kg
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.
Poids |
1,5 Kg |
Volume |
0,0098 m³ (9800 cm³) |
Largeur |
0,17 m (17 cm) |
Longueur |
0,17 m (17 cm) |
Hauteur |
0,34 m (34 cm) |
Les dimensions, le poids et le volume sont bruts (emballage inclus)