Antimony potassium tartrate, LABORATORY CHEMICALS

SPECIFICATION
KSbO.C₄H₄O₆ M.W. 324.92
Miniumum assay	99.9%
pH ( 5% solution )	4.0 - 4.2
Maximum Limits of Impurities :
Water- insoluble matter	0.005%
Arsenic ( As )	0.0005%
Calcium ( Ca )	0.005%
Copper ( Cu )	0.001%
Iron ( Fe )	0.002%
Lead ( Pb )	0.002%