用乙醚萃取产品，必要时研磨。试剂、仪器、程序、结果表达、测试报告。不适用于《1973年肥料和饲料条例》或《1976年肥料和饲料（修订）条例》规定的用途。交叉引用:BS 410BS 2071BS 4289:第3BS 4325部分:第1BS 4325部分:第4部分肥料和饲料法规1973 1976年肥料和饲料（修订）法规

Extraction of product, ground if necessary, with diethyl ether. Reagents, apparatus, procedure, expression of results, test report. Not applicable to purposes subject to the Fertilisers and Feeding Stuffs Regulations 1973 or to the Fertilisers and Feeding Stuffs (Amendment) Regulations 1976.Cross References:BS 410BS 2071BS 4289:Part 3BS 4325:Part 1BS 4325:Part 4Fertilisers and Feeding Stuffs Regulations 1973Fertilisers and Feeding Stuffs (Amendment) Regulations 1976