... gold is: more than 10 PPM (China pharmacopoeia detection method) 4, agriculture residual: PPM 5, 2 or solvent residual: the content ... A kind, and at the same time to be blank. 4, the calculation results content = (A sample × Wcocl2 · 6 H2O) / (Acocl2 ... 2, mould than total 100 / G 3, escherichia coli: no 4, salmonella: no grain size: 100% through 80 mesh screen packing: double plastic ...