标准号:BS 7897-3-1997
中文标准名称:虫胶和紫胶片规范.第3部分:漂白虫胶
英文标准名称:Specification for lac and shellac - Bleached lac
标准类型:G51
发布日期:1997/8/15 12:00:00
实施日期:1997/8/15 12:00:00
中国标准分类号:G51
国际标准分类号:87.040
适用范围:Gives requirements for two grades differing in matter insoluble in hot alcohol, matter soluble in water, ash and wax content. Definitions, colour, copals, rosin, free chlorine content, arsenic and lead content tests are all specified.