Potassium Phosphate Mono

AMMONIUM PHOSPHATE DIBASIC ACS

GENERAL DESCRIPTION

Typical appearance: colorless or white solid

Analytical use: buffer solution

Change in state (approximate): melting point 155 0C docomposes

Aqueous solubility: 1 g in 1.7ml at about 25 0C

SPECIFICATIONS
Assay >98.0% (NH4)2 HPO4
PH of a 5% solution at 25.0 0C 7.7-8.1
Maximum Allowable
Insoluble matter 0.005%
Chloride (Cl) 0.001%
Nitrate (NO3) 0.003%
Sulfate (SO4) 0.01%
Heavy metals (as Pb) 0.001%
Iron (Fe) 0.001%
Calcium (Ca) 0.001%
Magnesium (Mg) 0.0005%
Potassium (K) 0.005%
Sodium (Na) 0.005%
AMMONIUM PHOSPHATE DIBASIC AR
Synonym DI-AMMONIUM HYDROGEN PHOSPHATE
CAS No. 7783-28-0
Molecular Formula (NH4)2HPO4
Molecular Weight 132.06
Description WHITE CRYSTALLINE POWDER
Specifications
ASSAY 98.0- 102.0%
CHLORIDE MAX 0.0005%
ID AMMONIUM & PHOSPHATE =+VE
INSOLUBLE MATTER MAX 0.005%
IRON MAX. 0.001%
LEAD MAX. 0.001%
NITRATE MAX. 0.001%
PH OF 5% SOLUTION 7.8-8.5
POTASSIUM MAX. 0.01%
SODIUM MAX. 0.01%
SOLUBILITY FREELY SOLUBLE IN WATER
SULPHATE MAX 0.01%
AMMONIUM PHOSPHATE DIBASIC LR
Synonym DI-AMMONIUM HYDROGEN PHOSPHATE
CAS No. 7783-28-0
Molecular Formula ((NH4)2HPO4
Molecular Weight 132.06
Description WHITE CRYSTALLINE POWDER
Specifications
SOLUBILITY FREELY SOLUBLE IN WATER
IDENTIFICATION AMMONIUM & PHOSPHATE
CHLORIDE MAX 0.002%
SULPHATE MAX 0.02%
IRON MAX 0.002%
LEAD MAX 0.002%
ASSAY 97- 102%

AMMONIUM PHOSPHATE MONOBASIC ACS

GENERAL DESCRIPTION

Typical appearance: Colorless solid

Analytical use: Buffer solutions

Change in state (approximate): melting point, 190°C

Aqueous solubility: 1g in 2.5 ml at 25°C

SPECIFICATIONS
Assay > 98.0% NH4H2PO4
PH of a 5% solution at 25ºC 3.8 – 4.4
Maximum Allowable  
Insoluble matter 0.005%
Chloride (Cl) 5 ppm
Nitrate (NO3) 0.001%
Sulfate (SO4) 0.01%
Heavy metals (as Pb) 5 ppm
Iron (Fe) 0.001%
Calcium (Ca) 0.001%
Magnesium (Mg) 0.0005%
Potassium (K) 0.005%
Sodium (Na) 0.005%
AMMONIUM PHOSPHATE MONOBASIC AR
Cas No. 7722-76-1
Molecular Formula NH4H2PO4
Molecular Weight 115.03
Description White crystalline compound
Assay min.98%
Insoluble matter 0.005%
pH (5% aq. Soln) 3.8-4.4
Chloride (Cl) max.0.0005%
Sulphate (SO4) max.0.01%
Iron (Fe) max.0.001%
Heavy Metals (Pb) max.0.0005%
Sodium (Na) max.0.01%
Potassium (K) max.0.02%
Nitrate (NO3) max.0.001%
AMMONIUM PHOSPHATE MONOBASIC LR
Cas No. 7722-76-1
Molecular Formula NH4H2PO4
Molecular Weight 115.03
Description White crystalline compound
Assay min.98%
pH (5% aq. Soln) 4.0-4.4
Chloride (Cl) max.0.001%
Sulphate (SO4) max.0.01%
Iron (Fe) max.0.005%
Heavy Metals (Pb) max.0.0005%