... to light yellow powder,Fneness:80mesh,DAC:85%min,Moisture: 10%max,As:1.0mg/kg maxPb:0.5mg/kg max ... DAC ≥85%3 Fneness 80mesh4 As ≤1.0mg/kg5 Moisture ≤10%6 Pb ≤0.5mg/kg7 Mercury ≤0.3mg/kg8 Ash ≤2 ... additive, seed disposal, soil amelioration and fruit refresh-keeping etc. (6). In tobacco field, for its characteristics of improving taste, non ...