Tri Potassium Phosphate

Potassium Phosphate Monobasic ACS

GENERAL DESCRIPTION

Typical appearance: white or colorless solid

Analytical use: buffer solutions

Change in state (approximate): melting point, 253 0C

Aqueous solubility: 33g in 100ml at 25 0C

SPECIFICATIONS
Assay >99.0% KH2PO4
PH of a 5% solution at 25.0 0C 4.1-4.5
Maximum Allowable
Insoluble matter 0.01%
Loss on drying 0.2%
Chloride (Cl) 0.001%
Sulfate (SO4) 0.003%
Heavy metals (as Pb) 0.001%
Iron (Fe) 0.002%
Sodium (Na) 0.005%
Potassium Phosphate Monobasic Extrapure AR
Molecular Formula KH2PO4
Molecular Weight 136.09
Description White Crystalline Compound
Solubility 10% aq. Solution clear colourless
Ph (5% aq solution) 4.3 – 4.5
Assay Min 99.5%
Loss on Drying Max 0.05%
Chloride (Cl) Max 0.0005%
Sulpahte (SO4) Max 0.005%
Iron (Fe) max 0.001%
Heavy Metals (Pb) Max 0.0005%
Copper (Cu) Max 0.0005%
Total Nitrogen (N) Max 0.002%
Sodium (Na) Max 0.01%
Potassium Phosphate Monobasic LR
Synonym POTASSIUM DIHYDROGEN PHOSPHATE
CAS No. 7778-77-0
Molecular Formula KH2PO4
Molecular Weight 136.09
Description WHITE CRYSTALINE POWDER
Specifications
SOLUBILITY SOLUBLE IN WATER
APPEARANCE OF SOLUTION AQ SOLUTION (10%) IS CLEAR AND COLORLESS
PH (5% W/V SOLUTION) 4.2 -- 4.7
CHLORIDE MAX. 0.01 %
SULPHATE MAX. 0.05 %
SODIUM MAX 0.2 %
IRON MAX. 0.002%
LEAD MAX. 0.002%
ASSAY 99.0%--101.0%

POTASSIUM OXALATE MONOHYDRATE ACS

GENERAL DESCRIPTION

Typical appearance colorless solid

Analytical use: reducing agent

Change in state (approximate): dehydrates at 1000C

Aqueous solubility: 36 in 100ml at 20 0C

SPECIFICATIONS
Assay 98.5-101.0% K2C2O4.H2 O
Substances darkened by hot sulfuric acid Passes test
Neutrality Passes test
Maximum Allowable
Insoluble matter 0.01%
Chloride (Cl) 0.002%
Sulfate (SO4) 0.01%
Ammonium (NH4) 0.002%
Heavy metals (as Pb) 0.002%
Iron (Fe) 0.001%
Sodium(Na) 0.02%
POTASSIUM OXALATE MONOHYDRATE AR
CAS NO. 6487-48-5
Molecular Formula COOK2 .H2O
Molecular Weight 184.23
Description COLOURLESS CRYSTALS, OR WHITE CRYSTALLINE POWDER.
SPECIFICATIONS
SOLUBILITY FREELY SOLUBLE IN WATER
PH (5% W/V SOLUTION) 7.0 - 8.5
WATER INSOLUBLE MATTER MAX 0.005%
CHLORIDE MAX 0.001%
SULPHATE MAX 0.01%
IRON MAX 0.0005%
LEAD MAX 0.0005%
SODIUM MAX 0.02%
ASSAY MIN 99.5% AS COOK2.H2O
Packing 25/50 KG BAG OR 25/50 KG
POTASSIUM OXALATE MONOHYDRATE LR
CAS NO. 6487-48-5
Molecular Formula COOK2 .H2O
Molecular Weight 184.23
Description COLOURLESS CRYSTALS, OR WHITE CRYSTALLINE POWDER.
SOLUBILITY FREELY SOLUBLE IN WATER
PH (5% W/V SOLUTION) 7.0 - 8.5
WATER INSOLUBLE MATTER MAX 0.01%
CHLORIDE MAX 0.005%
SULPHATE MAX 0.01%
IRON MAX 0.002%
LEAD MAX 0.005%
ASSAY MAX.98.0%