ISO 6667-1985 生咖啡 昆虫损害咖啡豆比例的测定

标准号：ISO 6667-1985
中文标准名称：生咖啡 昆虫损害咖啡豆比例的测定
英文标准名称：Green coffee; Determination of proportion of insect-damaged beans
标准类型：B66
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：B66
国际标准分类号：67.140.20
适用范围：The method consists in visual examination of the external surface of beans to identify those which have been damaged by insects. Determination of the observed proportion, as a percentage, of damaged beans and, if possible, identification of the species of insect responible to damage. From the proportion of damaged beans thus determined: estimation of the confidence limits of the true proportion of damaged beans for a given probability; estimation of the probability that the true proportion of damaged beans will not exceed a given value. An annex A shows illustrations of damaged beans. An annex B describes a test for homogenity of the laboratory sample.