r/Whiteness: min. 90
Visible Impurities: max. 10
Sieve analysis (vibrational): max. 0.15%
Protein content: max. 0.2%
Cyanogenic potential : max 10mg HCN/kg (AOAC 1995 915.03 Pyridine Pyrazolone method)
Brabender viscosity: min. 700 Bu (Conc. 6% ds, 700 cmg, 75 rpm, start temp. 45oC, increasing with 1,5 oC/min. till 90 oC, hold for 20 min., Read peak viscosity)
Sulphite (SO2): max. 10 mg/kg (ISO 5379)
Arsenic (As): max. 0.1 mg/kg (ISO 11212)
Cadmium (Cd): max. 0.1 mg/kg (ISO 11212)
Lead (Pb): 0.5