POTASSIUM NITRATE ACS

POTASSIUM NITRATE ACS

GENERAL DESCRIPTION

Typical appearance: white solid

Analytical use: preparation of standard solutions

Change in state (approximate): melting point 334 0C

Aqueous solubility: 32g in 100ml at 20 0C

SPECIFICATIONS
Assay >99.0% KNO3
PH of a 5% solution at 25.0 0C 4.5-8.5
Maximum Allowable
Insoluble matter 0.005%
Chloride (Cl) 0.002%
Iodate (IO3) 5 ppm
Nitrate (NO2) 0.001%
Phosphate (PO4) 5 ppm
Sulfate (SO4) 0.003%
Heavy metals (as Pb) 5 ppm
Iron (Fe) 3 ppm
Calcium (Ca) 0.005%
Magnesium (Mg) 0.002%
Sodium (Na) 0.005%
POTASSIUM NITRATE AR
Synonym SALTPETER; NITER
CAS No. 7757-79-1
Molecular Formula KNO3
Molecular Weight 101
Description WHITE CRYSTALLINE POWDER
Specifications  
SOLUBILITY FREELY SOLUBLE IN WATER
PH (5% W/V SOLUTION) 5.0-7.0
WATER INSOLUBLE MATTER MAX 0.005%
CHLORIDE MAX 0.001%
IODATE MAX 0.0005%
NITRITE MAX 0.001%
PHOSPHATE MAX 0.0005%
SULPHATE MAX 0.003%
CALCIUM MAX 0.0015%
MAGNESIUM MAX 0.002%
SODIUM MAX 0.01%
ASSAY MIN 99.5% AS KNO3
POTASSIUM NITRATE LR
Cas No. 7757-79-1
Molecular Formula KNO3
Molecular Weight 101.10
Description White crystalline compound
Solubility 10%aq.Soln. clear & colourless
Assay min.98%
Insoluble matter max.0.01%
pH(5% aq. Soln) 4.5-8.5
Chloride (Cl) max.0.005%
Sulphate (SO4) max.0.01%
Iron (Fe) max.0.003%
Heavy Metals (Pb) max.0.005%

POTASSIUM PHOSPHATE DIBASIC ACS

GENERAL DESCRIPTION

Typical appearance:white solid

Analytical use: buffer solutions

Aqueous solubility: very soluble

SPECIFICATIONS
Molecular Formula K2HPO4
Molecular Weight 174.18
Assay >98.0% K2HPO4
PH of a 5% solution at 25.0 0C 8.5-9.6
Maximum Allowable
Insoluble matter 0.01%
Loss on drying 1.0%
Chloride (Cl) 0.003%
Nitrogen compounds (as N) 0.001%
Sulfate (SO4) 0.005%
Heavy metals (as Pb) 5 ppm
Iron (Fe) 0.001%
Sodium (Na) 0.05%
POTASSIUM PHOSPHATE DIBASIC AR
Synonym WHITE CRYSTALLINE POWDER, HYGROSCOPIC
CAS No. 11/04/7758
Molecular Formula K2HPO4
Molecular Weight 174.18
Description WHITE CRYSTALLINE POWDER
Specifications  
SOLUBILITY VERY SOLUBLE IN WATER
APPEARANCE OF SOLUTION DISSOLVE 25GM IN WATER TO PRODUCE 500ML
  THE SOLUTION IS CLEAR AND COLOURLESS
PH (5% W/V SOLUTION) 8.5 – 9.5
WATER INSOLUBLE MATTER MAX 0.01%
CHLORIDE MAX 0.003%
SULPHATE MAX 0.005%
HEAVY METALS MAX 0.0005%
IRON MAX 0.002%
CALCIUM MAX 0.01%
MAGNESIUM MAX 0.0005%
NITRATE MAX 0.005%
SODIUM MAX 0.06%
ASSAY MIN 99.0% AS K2HPO4
POTASSIUM PHOSPHATE DIBASIC LR
Cas No. 7758-11-4
Molecular Formula K2HPO4
Molecular Weight 174.18
Description White Powder
PH(5% aq. Solution) 8.5-9.6
Insoluble matter max.0.01%
Assay min.97.0%
Loss on Drying max. 2.0 %
Chloride (Cl) max.0.01%
Sulphate (SO4) max.0.01%
Iron (Fe) max.0.002%
Heavy Metals (as Pb) max.0.005%