ISO 3596-1-1988/Amd 1-1997 动植物脂肪和油.不皂化物的测定.第1部分:乙醚萃取法(参考法).修改件1:实验室间试验结果
Animal and vegetable fats and oils — Determination of unsaponifiable matter — Part 1: Method using diethyl ether extraction (Reference method) — Amendment 1: Results of interlaboratory tests