《商品煤质量抽查和验收方法》国家标准修订解析

Analysis on the revised national standards Spot-check and Acceptance Methos of Commercial Coal Quality

主要介绍了GB/T 18666—2002《商品煤质量抽查和验收方法》的修订要点即关于质量评定的允许差、煤样的采取及制备等内容,并对标准的主要条文进行说明,对检验值、采样机械和工具、采样基数、采样方法、煤样的制备、质量评定指标允许差及采样地点等修订条文进行了详细解析。

This thesis mainly introduced the revision points of GB/T 186660 2002 Spot-check and Acceptance of Commercial Quality, such as allowable difference in evaluation of quality, selection and preparation of coal samples. Meanwhile, this paper demonstrated the explanation about main clauses of standards, especially the revision clauses such as testing value machinery and tools, base number of sampling, sampling method, preparation of coal samples, allowable difference for quality evaluation and sampling location Coal also sampling index of