SIS SS-ISO 6741-2-1990 纺织品．纤维和纱线．寄售商业质量测定．第2部分：试验样品获取法

标准号：SIS SS-ISO 6741-2-1990
中文标准名称：纺织品．纤维和纱线．寄售商业质量测定．第2部分：试验样品获取法
英文标准名称：Textiles — Fibres and yarns — Determina- tion of commercial m?ss of consignments — Part 2: Methods for obtaining laboratory samples
发布日期：1990/1/31 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This part of ISO 6741 specifies methods for obtaining laboratory samples for m?ss determination by one of the methods given in ISO 6741-1. The method appropriate for par-ticular fibres is indicated in ISO 6741-4The procedures comprise:Nature of consignment Procedure describedBulk staple in bales J Tow and strands in bales and cases Unsupported wound or coiled packages of raw silk, tow sliver, top or yarn in containers Yarn wound on supports < Hand sampling (two methods) Core sampling Hand sampling Hand sampling Cutting method Winding (four methods)When a replicate sample is required for other tests or as a pre-caution against misadventure, the m?ss taken during sampling shall be doubled and the sample shall then immediately be halved to provide the two samples.