Potassium phosphate monobasic, Puriss. p.a., Buffer substance, Anhydrous, ACS Reagent, Reag. ISO, Reag. Ph. Eur., 99.5-100.5%

Code: 60220-500g D2-114

Puriss. p.a., Buffer substance, Anhydrous, ACS Reagent, Reag. ISO, Reag. Ph. Eur., 99.5-100.5%

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Assay (alk., calculated to dried substances):	99.5 - 100.5 %
Assay:	min. 99.0 %
Loss on drying (130°C):	max. 0.2 %
Water insoluble matter:	max. 0.005 %
pH (5 %, 25 °C):	4.2 to 4.5
Arsenic (As):	max. 0.5 ppm
Calcium (Ca):	max. 0.001 %
Cadmium (Cd):	max. 0.0005 %
Cobalt (Co):	max. 0.0005 %
Chromium (Cr):	max. 0.0015 %
Copper (Cu):	max. 0.0005 %
Iron (Fe):	max. 5 ppm
Magnesium (Mg):	max. 0.0005 %
Manganese (Mn):	max. 0.0005 %
Nickel (Ni):	max. 0.0005 %
Sodium (Na):	max. 50 ppm
Lead (Pb):	max. 0.0005 %
Zinc (Zn):	max. 0.0005 %
Heavy metals (as Pb):	max. 5 ppm
Chloride (Cl):	max. 5 ppm
Sulfate (SO₄):	max. 30 ppm
Total N:	max. 0.001 %
KMnO₄ reducing matter (as O):	complying
Appearance of the solution:	complying
Appearance (color):	complying
Appearance (form):	complying