標(biāo)準(zhǔn)編號:	GB/T 19494.2-2004
中文名稱:	煤炭機(jī)械化采樣 第2部分:煤樣的制備
英文名稱:	Mechanical sampling of coal Part 2: Method for sample preparation
中標(biāo)分類:	D21    煤炭分析方法
行業(yè)分類:	GB    國家標(biāo)準(zhǔn)
ICS分類:	73.040 73.040    煤 73.040
發(fā)布機(jī)構(gòu):	國家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局 國家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2004-4-30
實(shí)施日期:	2004-10-1
標(biāo)準(zhǔn)狀態(tài):	superseded
被新標(biāo)準(zhǔn)替代:	GB/T 19494.2-2023 煤炭機(jī)械化采樣 第2部分：煤樣的制備
被替代日期:	2024-3-1
替代舊標(biāo)準(zhǔn):	GB 474-1996 煤樣的制備方法
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	16000 字
翻譯價(jià)格(元):	330.0
交付時(shí)間:	付款后 1 個(gè)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