ASSAY

99.50 ~ 101.0%

APPEARANCE

WHITE CRYSTAL OR CRYSTALLINE

POWDER

IDENTIFICATION

UP TO STANDARD

CLARITY AND COLOR OF

SOLUTION

COLORLESS, CLEAR

RESIDUE ON IGNITION

0.05% MAX

HEAVY METAL

10PPM MAX

SULFATES

0.02% MAX

CHLORIDES

140PPM MAX

FREE SALICYLIC ACID

500PPM MAX

LOSS ON DRYING

0.5% MAX

READILY CARBONIZABLE

SUBSTANCES

< FLUID Q

SUBSTANCES INSOLUBLE IN

SODIUM CARBONATE

THE SOLUTION IS CLEAR

ORGANIC VOLATILE IMPURITIES

UP TO STANDARD

RELATIVE SUBSTANCES

UP TO STANDARD