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ISO 6667:1985

Green coffee — Determination of proportion of insect-damaged beans

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 6667:1985
Document Year: 1985
Pages: 12
Edition: 1

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ISO 6667:1985
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