Objective:To examine the quality of various gossypol made from aniline or acid technological process and to ex-amine the gossypol made from aniline process for the gossypol anilinum.

• 目的：考察苯胺法与酸法工艺制备的各类棉酚的质量，本胺法工艺制品中是否残留本胺棉酚。