This document specifies methods for the determination of sterols by liquid chromatography-mass spectrometry/mass spectrometry. This document applies to free cholestanol, brassicasterol, campesterol, stigmasterol, β-sitosterol, rock Determination of phycosterol, lanosterol, stigmasterol, ergosterol content.
GB/T 39995-2021 Referenced Document
GB/T 15687 Animal and vegetable fats and oils-Preparation of test sample
GB/T 6682 Water for analytical laboratory use.Specification and test methods