标准编号:	GB/T 19494.2-2004
中文名称:	煤炭机械化采样 第2部分:煤样的制备
英文名称:	Mechanical sampling of coal Part 2: Method for sample preparation
中标分类:	D21    煤炭分析方法
行业分类:	GB    国家标准
ICS分类:	73.040 73.040    煤 73.040
发布机构:	国家质量监督检验检疫总局 国家标准化管理委员会
发布日期:	2004-4-30
实施日期:	2004-10-1
标准状态:	被替代
被新标准替代:	GB/T 19494.2-2023 煤炭机械化采样 第2部分：煤样的制备
被替代日期:	2024-3-1
替代旧标准:	GB 474-1996 煤样的制备方法
翻译语言:	英文
文件格式:	PDF
中文字符数:	16000 字
翻译价格(元):	330.00 元
交付时间:	付款后 1 个工作日

This Part of GB/T 19494 specifies the terms and definitions in coal sample preparation, sample structure, division, reduction, mixing and air-drying, preparation of various coal samples, reserve sample as well as design of sample-preparing device.

This Part is applicable to brown coals, bituminous coals and hard coals.

Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Precision of Sampling Preparation
5 Sample Structure
6 Division
7 Reduction
8 Mixing
9 Air-drying
10 Preparation of Various Coal Samples
11 Reserve Sample
12 Design of Sample-Preparing Device