Merck, PX0996, <i>o</i>-Phosphoric Acid 85% HPLC

General description
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Application
Meets ACS Specifications
PX0996-6 is packaged in poly coated glass bottles
Analysis Note
Antimony (Sb)0.002% max
Arsenic (As)0.5ppm max
Assay85.0% min
Calcium (Ca)0.002% max
Chloride (Cl)3ppm max
Color (APHA)10 max
FormClear syrupy liquid
Heavy metals (as Pb)0.001% max
Insoluble matter0.001% max
Iron (Fe)0.003% max
Magnesium (Mg)0.002% max
Manganese (Mn)0.5ppm max
Nitrate (NO3)5ppm max
Phosphorous or hypophosphorous acidTo pass test
Potassium (K)0.005% max
Reducing substancesTo pass test
Sodium (Na)0.025% max
Sulfate (SO4)0.001% max
UV Absorbance at 220 nm (1M, 1cm, water)0.05AU max
UV Absorbance at 254 nm (1M, 1cm, water)0.04AU max
UV Absorbance at 300 nm (1M, 1cm, water)0.02AU max
Volatile acids (as acetic acid)0.001% max

Other Notes
Concentrated phosphoric acid is approx. 85% H₃PO₄ (aqueous).