Potassium phosphate monobasic for HPLC,
Description
Description
Overview
Overview
Assay: 99.5 - 101.0 %
pH (10 %, 20°C): 4.1 - 4.5
Absorbance at 210 nm: max. 0.1
Absorbance at 220 nm: max. 0.06
Absorbance at 230 nm: max. 0.04
Absorbance at 300 nm: max. 0.02
Absorbance 500 nm: max. 0.02
Appearance of the solution (c=10%): complying
PHYSICAL PROPERTIES
pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
Freezing Point: 253 °C
Density: 2.34 g/cm3
Additional details
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