目录简介 | 1 Scope and field of application This standard specifies the method of sampling, sample preparation and determination by high performance liquid chromatography of ochratoxin A in fodders for export. This standard is applicable to the determination of ochratoxin A in soybean meal powder, maize meal powder and rape seed meal powder for export. 2 Sampling and sample preparation 2.1 Inspection lot Each inspection lot should not exceed 2000 packages (500 tons at harbor). |