BS ISO 6741-2:1987

Textiles. Fibres and yarns. Determination of commercial mass of consignments. Methods for obtaining laboratory samples | Status: Current, Under review

1 Scope and field of application This part of ISO 6741 specifies methods for obtaining laboratory samples for mass determination by one of the methods given in ISO 6741-1. The method appropriate for particular fibres is indicated in ISO 6741-4 The procedures comprise : Nature of consignment Procedure described Bulk staple in bales Hand sampling (two methods)Core sampling Tow and strands in bales and cases Hand sampling Unsupported wound or coiled packages of raw silk, tow sliver, top or yarn in containers Hand sampling Yarn wound on supports Cutting methodWinding (four methods) When a replicate sample is required for other tests or as a precaution against misadventure, the mass taken during sampling shall be doubled and the sample shall then immediately be halved to provide the two samples.