APPEARANCE: WHITE FINE POWDER
ASSAY (ON DRY BASIS): *9.******0.5 per.
ARSENIC (As): less than 1PPM
LEAD: less than 2PPM
PH(1:*0):****2.5 RESIDUE ON
IGNITION:less
than0.*5per.
WATER:less
than0.5per.
COLOUR(Pt-Co):less
than*5#
MALEIC ACID:less
than0.1per.
MELTING POINT: **6~**2 degree
SULFATE:less
than0.*1per.