TRICHLOROACETIC ACID

Test Specification
ACS grade
Specification
EP grade
Specification
Regular grade
Physical appearance White crystals White, colourless crystals, very deliquescent White crystals
Assay (by titrimetry) 99.0 % min. 98.0 to 100.5 % w/w min. 99.0 % min.
Chlorides 20 ppm max. 100 ppm max. -
Nitrates 20 ppm max. - -
Phosphates 5 ppm max. - -
Sulphates 200 ppm max. - -
Heavy metals (as Lead) 20 ppm max. - -
Substances
darkened by
H2SO4
Passes - -
Iron 10 ppm max. - -
Residue on ignition (Ash) 300 ppm max - -
Insoluble matter 100 ppm max - -
Appearance of solution - Clear colourless -
Solubility - Very soluble in water, alcohol and methylene chloride -
Sulphated ash - 0.10% max -
Moisture content
(by KF)
- - 0.5% w/w max