Standard No.:	GB/T 19494.2-2004
Chinese Name:	煤炭机械化采样 第2部分:煤样的制备
English Name:	Mechanical sampling of coal Part 2:Method for sample preparation
Professional Classification:	D21 Coal analysis methods
Professional Classification:	GB National Standard
ICS Classification:	73.040
Issued by:
Issued on:	2004-04-30
Implemented on:	2004-10-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:	11500 words
Price(USD):	345 (USD)
Delivery:	via email in 1-3 business day

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.

下列文件中的条款通过GB/T19494本部分的引用而成为本部分的条款。凡是注日期的引用文件,其随后所有的修改单(不包括勘误的内容)或修改版均不适用于本部分,然而,鼓励根据本部分达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件,其最新版本适用于本部分。
GB/T211煤中全水分的测定方法(GB/T211-1996,egvISO589:1981)
GB/T19494.1煤炭机械化采样第1部分:采样方法(GB/T19494.1-2004,ISO13909-1;2001Hardcoalandcoke-Mechanicalsampling-Part1:Generalintroduction,ISO13909-2:2001Hardcoalandcoke-Mechanicalsampling-Part2:Coal-Samplingfrommovingstreams,ISO13909-3:2001
Hardcoalandcoke-Mechanicalsampling-Part3:Coal-Samplingfromstationarylots,NEQ)
GB/T19494.3煤炭机械化采样第3部分:精密度测定和偏倚试验(GB/T19494.3-2004,ISO13909-7;2001Hardcoalandcoke-Mechanicalsampling-Part7:Methodsfordeterminingtheprecisiono
fsampling,samplepreparationandtesting,ISO13909-8:2001Hardcoalandcoke-Mechanicalsampling-Part8:Methodsoftestingforbias,NEQ)