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DNS Fine ChemicalsAluminium Sulfate Hydrated ACS

Al2(SO4)3 X H2O; where X = (14 - 18) H2O for 18 Hydrate
Formula Wt: 666.41   CAS No: 7784-31-8


Aluminium Sulfate Hydrated ACSGENERAL DESCRIPTION
Typical appearance white solid
Analytical use: decolorizing or precipitating agent clarifying agent for fats and oil
Change in state (approximate): melts when gradually heated
Aqueous solubility miscible




SPECIFICATION
Assay (as the labeled hydrate) 98.0-102.0%
Maximum Allowable
Insoluble matter 0.01%
Chloride (Cl) 0.005%
Calcium (Ca) 0.01%
Magnesium (Mg) 0.002%
Potassium (K) 0.005%
Sodium (Na) 0.02%
Heavy metals (as Pb) 0.001%
Iron (Fe) 0.002%
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ALUMINIUM SULPHATE AR
Synonym ALUM
CAS No 7784-31-8
Molecular Formula AI2(SO4)3.16H2O
Molecular Weight 630.38
Description WHITE CRYSTALLINE POWDER
Specifications
SOLUBILITY VERY SOLUBLE IN WATER, INSOLUBLE IN ETHANOL
IDENTIFICATION ALUMINIUM =+VE & SULPHATE =+VE
WATER INSOLUBLE MATTER MAX. 0.005%
APPEARANCE OF SOLUTION DISSOLVE 50 GM IN CARBON DIOXIDE FREE WATER TO PRODUCE 500 ML
THE SOLUTION IN COLOURLESS AND NOT MORE THAN SLIGHT TURBID
PH OF 5% SOLUTION 2.5-4.0
CHLORIDE MAX. 0.001%
AMMONIUM MAX. 0.02%
COPPER MAX. 0.0002 %
IRON MAX 0.004%
LEAD MAX. 0.001%
POTASSIUM MAX 0.005%
SODIUM MAX. 0.02 %
ASSAY MIN 98 0%
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ALUMINIUM SULPHATE LR
CAS No. 7784-31-8
Molecular Formula Al2(SO4)3.16H2O
Molecular Weight 630.38
Description WHITE CRYSTALLINE POWDER
Specifications
SOLUBILITY VERY SOLUBLE IN WATER
IDENTIFICATION ALUMINIUM =+VE & SULPHATE = +VE
PH ( 5% W/V SOLUTION) 2.5 - 4.0
CHLORIDE MAX. 0.01 %
AMMONIA MAX. 0.05 %
ALKALIES MAX. 0.2 %
IRON MAX. 0.01 %
ASSAY MIN.. 97.0 %
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DNS Fine ChemicalsAMMONIUM ACETATE ACS

AMMONIUM ACETATEGENERAL DESCRIPTION
Typical appearance: hygroscopic solid
Analytical use: buffer solution; determination of lead iron separating lead sulfate from other sulfates.
Change in state (approximate): melting point 114 0C
Aqueous solubility: very soluble




SPECIFICATIONS
Assay >97% CH3 COONH4
PH of a 5% solution at 25.0 0C 6.7-7.3
  Maximum Allowable
Insoluble matter 0.005%
Reside after ignition 0.01%
Chloride (Cl) 5 ppm
Nitrate (NO3) 0.001%
Sulfate (SO4) 0.001%
Heavy metals (as Pb) 5 ppm
Iron (Fe) 5 ppm
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Ammonium Acetate Crystal AR
Synonym ACETIC ACID AMMONIUM SALT
CAS No. 631-61-8
Molecular Formula CH3COONH4
Molecular Weight 77.08
Description COLOURLESS HYGROSCOPIC CRYSTALS WITH A FAINT ODOUR
Specifications  
SOLUBILITY FREELY SOLUBLE IN ETHANOL, SLIGHTLY SOLUBLE IN ACETONE
IDENTIFICATION AMMONIUM = +VE & ACETATE = +VE
PH OF 5% SOLUTION 6.5 – 7.5
APPEARANCE OF SOLUTION DISSOLVE 50 GM IN WATER TO PRODUCE 500 ML
  THE SOLUTION IS CLEAR AND COLOURLESS
WATER INSOLUBLE MATTER MAX 0.001%
CHLORIDE MAX 0.0005%
SULPHATE MAX 0.002%
CALCIUM MAX 0.001%
COPPER MAX 0.0001%
IRON MAX 0.0001%
LEAD MAX 0.0001%
PHOSPHATE MAX 0.0005%
MAGNESIUM MAX 0.0004%
ASSAY MIN 98.0%
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Ammonium Acetate LR
Synonym ACETIC ACID AMMONIUM SALT
CAS No. 631-61-8
Molecular Formula CH3COONH4
Molecular Weight 77.08
Description WHITE HYGROSCOPIC CRYSTALS
Specifications  
SOLUBILITY VERY SOLUBLE IN WATER
ID AMMONIUM & ACETATE = +VE
NON VOLATILE MATTER MAX 0.02%
CHLORIDE MAX 0.005%
IRON MAX 0.001%
LEAD MAX 0.0005%
SULPHATE MAX 0.01%
ASSAY MIN 96%
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