ICUMSA : 45 RBU METHOD NO. : 4-1978 POLARIZATION : AT 20°: 99.80% MINIMUM MOISTURE : 00.04 % MAXIMUM SULPHATED ASH CONTENT : 00.04 % MAXIMUM SO2 : 20 PPM GRANULATION : FINE SOLUBILITY : 100% DRY AND FREE FLOWING RADIATION : NORMAL CERTIFIED COLOR : CRYSTAL WHITE SEDIMENTS : NONE SMELL : FREE OF ANY UNUSUAL OR ABNORMAL SMELL MAGNETIC PARTICLES : 4 MG/KG SO2 : 20 MG/KG REDUCING SUGAR : 0.05% MAXIMUM MAX. AS : 1 PPM MAX. OS : 2 PPM MAX. CU : 3 PPM HPN STAPH AUREUS : NIL SUBSTANCE : SOLID, CRYSTAL