CAN/CGSB-4.2 No. 72.2-M91/ ISO 6741-2: 1987

This National Standard of Canada is equivalent to International Standard ISO 6741-2:1987. 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 ( Hand sampling (two methods) Bulk staple in bales ( Core sampling Tow and strands in bales Hand sampling and cases Unsupported wound or coiled packages of raw silk, tow Hand sampling sliver, top or yarn in containers ( Cutting method Yarn wound on supports ( Winding (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.