BS ISO 589:2008 Hard coal. Determination of total moisture

硬煤总湿度的测定

基本信息

标准号

BS ISO 589:2008

标准状态

现行

发布单位或类别

英国-英国标准学会(GB-BSI);

发布日期

实施日期

废止日期

CCS分类

ICS分类

研制信息

起草单位

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起草人

归口单位

摘要

This International Standard describes two methods for determination of the total moisture content of hard coals, a two-stage method and a single-stage method. For either method there is a choice between drying in air and drying in a nitrogen atmosphere. Depending on the coal rank, there may be systematic differences between the results obtained by drying in the different atmospheres on subsamples of the same sample. Drying in a nitrogen atmosphere is suitable for all hard coals, while drying in air is only suitable for hard coals not susceptible to oxidation.All current amendments available at time of purchase are included with the purchase of this document. 本国际标准描述了测定硬煤总含水量的两种方法，即两阶段法和单阶段法。对于这两种方法，可以选择在空气中干燥或在氮气气氛中干燥。根据煤的等级，在同一样品的子样品上，通过在不同大气中干燥获得的结果可能存在系统性差异。在氮气气氛中干燥适用于所有硬煤，而在空气中干燥仅适用于不易氧化的硬煤。购买本文件时可获得的所有当前修订均包含在购买本文件中。展开▼

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