Polarization: 97.8 degree to 99.2 degreernash content: 0.15 % maxrncolor icumsa 600 to 1200 typicalrnsolubility: 95%rnfree flowingrncolor: brownrnradiation: within internationally acceptable limitsrngranulation: 0.6 mm of regular square ( medium size)rnmoisture: 0.15% maxrnmagnetic particles: 10 mg/krnso2: 120 mg/krnsulphur dioxide: 60 mg/k minrnsmell: free from unusual or abnormal smellrnreducing sugar: 0.05% max by weightrnhpn staph aureus: nilrnmax as: 1 p.p.mrnmax ps: 2 p.p.mrnmax cu: 3 p.p.mrnsubstance structure : solid brown crystal.