Standard No.:	GB/T 2007.4-2008
English Name:	General rules for the sampling and sample preparation of minerals in bulk - Experimental methods for checking the precision and bias
Chinese Name:	散装矿产品取样、制样通则 偏差、精密度校核试验方法
Chinese Classification:	D01    Technical management
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2008-8-2
Implemented on:	2009-4-1
Status:	valid
Superseding:	GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk--Experimental method for checking the bias of sampling
Target Language:	English
File Format:	PDF
Word Count:	12000 words
Translation Price(USD):	340.0
Delivery:	via email in 1~3 business day

GB/T 2007《散装矿产品取样、制样通则》分为六个部分,本部分为GB/T 2007的第4部分。
本部分将GB/T 2007.4-1987《散装矿产品取样、制样通则　精密度校核试验方法》和
GB/T 2007.5-1987《散装矿产品取样、制样通则　取样系统误差校核试验方法》合并，并做编辑性修改，代替ＧGB/T 2007.4-1987和GB/T 2007.5-1987。
本部分规定了偏差、精密度校核的术语和试验方法。
本部分适用于按GB/T 2007.1和GB/T 2007.2所列取样、制样方法精密度的校核，以及对需校核的取样方法、取样装置进行偏差校核试验，也可用于制样方法、缩分设备偏差的校核。