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DNS Fine ChemicalsNICKEL SULFATE HEXAHYDRATE ACS

NICKEL SULFATE HEXAHYDRATE ACSGENERAL DESCRIPTION
Typical appearance: blue to green solid
Analytical use: source of nickel in standards
Change in state (approximate): melting point 5 H2O at 100C, greenish yellow anhydrous salt forms at 280 C
Aqueous solubility: soluble in 1.4 parts water
Formula: NiSO4.6H2O
Formula Wt.: 262.85
CAS No: 10101-97-0


SPECIFICATIONS -
Assay 98.0-102.0% NiSO4.6H2O
- Maximum Allowable
Insoluble matter 0.005%
Chloride (Cl) 0.001%
Nitrogen compounds (as N) 0.002%
Calcium (Ca) 0.005%
Cobalt(Co) 0.002%
Copper(Cu) 0.005%
Iron (Fe) 0.001%
Lead (Pb) 0.005%
Magnesium (Mg) 0.005%
Manganese (Mn) 0.002%
Potassium (K) 0.01%
Sodium (Na) 0.05%
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NICKEL SULPHATE AR
Synonym NICKEL II SULPHATE; NICKELOUS SULPHATE
CAS No. 10101-98-1
Molecular Formula NiSO4.7H2O
Molecular Weight 280.85
Description EMERALD GREEN CRYSTALS OR POWDER
Specifications
SOLUBILITY VERY SOLUBLE IN WATER
IDENTIFICATION NICKEL (II) & SULPHATE =+VE
WATER INSOLUBLE MATTER MAX 0.003%
PH OF 5% SOLUTION 4:0-6.0
CHLORIDE MAX 0.001%
NITROGEN COMPOUNDS MAX 0.001%
CALCIUM MAX 0.005%
COBALT MAX 0.002%
COPPER MAX 0.002%
IRON MAX 0.002%
LEAD MAX 0.001%
SODIUM MAX 0.01%
ZINC MAX 0.002%
ASSAY MIN 99.0% OF NISO4 7H2O
NICKEL SULPHATE LR
Synonym NICKEL II SULPHATE; NICKELOUS SULPHATE
CAS No. 10101-97-0
Molecular Formula NiSO4.6H2O(6-7)
Molecular Weight 262.85
Description EMERALD GREEN CRYSTALS OR CRYSTALLINE POWDER ,
EFFLORESCES IN DRY AIR
Specifications
SOLUBILITY FREELY SOLUBLE IN WATER
IDENTIFICATION NICKEL (II) =+VE & SULPHATE =+VE
APPEARANCE OF SOLUTION 10% WA/ SOLUTION IS CLEAR AND COLORLESS
CHLORIDE MAX. 0.01 %
COBALT MAX. 0.05 %
IRON MAX. 0.01 %
ASSAY MIN. 97.0 % AS NISO4.6H2O
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DNS Fine ChemicalsPOTASSIUM ACETATE ACS

POTASSIUM ACETATEGENERAL DESCRIPTION
Typical appearance: white or colorless solid
Analytical use: buffers
Change in state (approximate): melting point, 290 °C
Aqueous solubility: 253 g in 100 mL at 20 °C



SPECIFICATIONS
Assay >99.0% CH3 COOK
PH of a 5% solution at 25.0 0C 6.5-9.0
Maximum Allowable
Insoluble matter 0.005%
Chloride (Cl) 0.003%
Phosphate (PO4) 0.001%
Sulfate (SO4) 0.002%
Heavy metals (as Pb) 5 ppm
Iron (Fe) 5 ppm
Calcium (Ca) 0.005%
Magnesium (Mg) 0.002%
Sodium (Na) 0.03%
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POTASSIUM ACETATE AR
Synonym ACETIC ACID POTASSIUM SALT
CAS No. 127-08-2
Molecular Formula CH3COOK
Molecular Weight 98.14
Description A WHITE DELIQUESCENT CRYSTALLINE POWDER
Specifications  
SOLUBILITY VERY SOLUBLE IN WATER
APPEARANCE OF SOLUTION DISSOLVE 50 GM IN WATER TO PRODUCE 500 ML
  THE SOLUTION IS CLEAR AND COLOURLESS
PH (5% W/V SOLUTION) 7.0 – 9.0
WATER INSOLUBLE MATTER MAX 0.005%
CHLORIDE MAX 0.001%
PHOSPHATE MAX 0.001%
SULPHATE MAX 0.002%
CALCIUM MAX 0.002%
SODIUM MAX 0.04%
MAGNESIUM MAX 0.002%
LEAD MAX 0.0005%
IRON MAX 0.0005%
ASSAY MIN 99.0% AS CH3COOK
POTASSIUM ACETATE LR
Synonym ACETIC ACID POTASSIUM SALT
CAS No. 127-08-2
Molecular Formula C2H3KO2
Molecular Weight 98.14
Description A FINE WHITE DELIQUESCENT CRYSTALLINE POWDER
Specifications  
SOLUBILITY VERY SOLUBLE IN WATER
IDENTIFICATION POTASSIUM = +VE, ACETATE = +VE
APPEARANCE OF SOLUTION AQ. SOLUTION (10%) IS CLEAR AND COLORLESS
IRON MAX 0.001%
CHLORIDE MAX 0.05%
SULPHATE MAX 0.05%
HEAVY METALS MAX 0.001%
ASSAY MIN 99.00%
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DNS Fine ChemicalsPOTASSIUM HYDROGEN PHTHALATE ACS

POTASSIUM ACETATEGENERAL DESCRIPTION
Typical appearance: white solid
Analytical use: acidimetric standard
Change in state (approximate): melting point 295 0C, with decomposition
Aqueous solubility: 10 g in 100 ml at 250C
Density: 1.64





SPECIFICATIONS
Assay 99.95-100.05% C8 H5O4K
PH of a 0.05 M solution 4.00-4.02 AT 25.0 +/- 0.2 0C
Maximum Allowable
Insoluble matter 0.005%
Chlorine compounds (as Cl) 0.003%
Sulfur compounds (as S) 0.002%
Heavy metals (as Pb) 5 ppm
Iron (Fe) 5 ppm
Sodium (Na) 0.005%
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POTASSIUM HYDROGEN PHTHALATE AR
Synonym POTASSIUM PHTHALATE
CAS No. 877-24-7
Molecular Formula C8H5KO4
Molecular Weight 204.22
Description WHITE CRYSTALLINE POWDER
Specifications
SOLUBILITY SOLUBLE IN WATER
APPEARANCE OF SOLUTION DISSOLVE 20 GM IN WATER TO PRODUCE 200 ML.
THE SOLUTION IS CLEAR AND COLOURLESS
WATER INSOLUBLE MATTER MAX 0.005%
LOSS ON DRYING AT 110 DEG C MAX 0.05%
CHLORIDE MAX 0.005%
PH (5% W/V SOLUTION) 4.0-4.02
SULPHATE MAX 0.005%
COPPER MAX 0.0005%
IRON MAX 0.0005%
LEAD MAX 0.0005%
SODIUM MAX 0.025%
ASSAY AFTER DRYING 99.9-100.1% AS C8H5KO4
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DNS Fine ChemicalsPotassium Hydrogen Sulphate

Potassium Hydrogen SulphateGENERAL DESCRIPTION
Formula: KHSO4
CAS No.: 7646-93-7
Formula Wt.: 136.2
Grade: AR




Description White Crystalline Compound
Solubility Freely soluble in water
Acidity 35.0 – 38.6%
Assay Min. 99%
Insoluble matter Max. 0.02%
Chloride (Cl) Max. 0.002%
Iron (Fe) Iron (Fe)
Heavy Metals (Pb) Max. 0.001%
Sodium (Na) Max. 0.01%
Loss on drying Max. 2.5%
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Formula: KHSO4
CAS No.: 7646-93-7
Formula Wt.: 136.2
Grade: LR


Description White Crystalline Compound
Solubility Freely soluble in water
Acidity 35.0 – 38.6%
Assay Min. 98%
Insoluble matter Max. 0.05%
Chloride (Cl) Max. 0.01%
Iron (Fe) Max. 0.005%
Heavy Metals (Pb) Max. 0.005%
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DNS Fine ChemicalsPotassium Formate

Potassium FormateGENERAL DESCRIPTION
Formula: HCOOK
CAS No.: 590-29-4
Formula Wt.: 98.14
Grade: LR


Description White Deliquecent Compound
Solubility 10% aq. Soln. Clear & colorless
Assay Min. 97%
Insoluble matter Max. 0.01%
pH(10% aq. Soln.) 6.0 – 8.0
Chloride (Cl) Max. 0.005%
Sulphate (SO4) Max. 0.01%
Iron (Fe) Max. 0.005%
Heavy Metals (Pb) Max. 0.005%
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