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Potassium Phosphate Monobasic Ultrex®

Minimum Assay Specifications 

UV Absorbance (1M aqueous solution) (1.00-cm cell vs water)..........
400 nm..........0.004
280 nm..........0.025
254 nm..........0.029
220 nm..........0.046
215 nm..........0.053
Assay (on dried basis)..........100.1%
Loss on drying at 105°C..........0.01%
Paniculate matter..........< 0.001%
pH of 5% Solution at 25°C..........4.3
NON-METALLIC IMPURITIES..........
Arsenic..........< 3 ppm max.
Fluoride..........< 5 ppm max.
Halide..........10 ppm max.
Nitrogen compounds..........< 10 ppm max.
Silicon..........< 1 ppm max.
Sulfate..........< 20 ppm max.
METALLIC IMPURITIES..........
Aluminum, Zinc..........0.2 ppm max.
Barium..........< 100 ppm max.
Bismuth..........0.006 ppm max.
Cadmium..........4 ppm max.
Calcium, Niobium, Strontium..........< 50 ppm max.
Chromium, Molybdenum, Tin, Titanium, Vanadium , Zirconium ..........< 10 ppm max.
Cobalt, Manganese..........< 0.002 ppm max.
Copper..........< 0.006 ppm max.
Iron, Sodium..........10 ppm max.
Lead..........0.04 ppm max.
Magnesium, Silver..........< 1 ppm max.
Mercury..........< 0.0005 ppm max.
Nickel..........0.004 ppm max.
Compound Name: KH2PO4
Chemical SubName: Potassium Dihydrogen Phosphate
FW: 136.09
CASno: 7778-77-0
Merk Index: 12.7829

Potassium Phosphate Monobasic Ultrex®
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P4265-1100gEach
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