NS-EN ISO 3596-1:2000
动植物油脂 不皂化物的测定 第1部分:乙醚萃取法(参考法)(ISO 3596-1:1988 包括修正案 1:1997)
Animal and vegetable fats and oils — Determination of unsaponifiable matter — Part 1: Method using diethyl ether extraction (Reference method) (ISO 3596-1:1988, including Amendment 1:1997)