Download or read book GB T 2007 4 2008 Translated English of Chinese Standard GBT 2007 4 2008 GB T2007 4 2008 GBT2007 4 2008 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-02-08 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: This part specifies the terms and test methods for bias and precision checking. This part is applicable to the checking of the precision of the sampling and sample preparation methods listed in GB/T 2007.1 and GB/T 2007.2, as well as the bias checking test of sampling methods and sampling devices that need to be checked. It can also be used for checking the bias of the sample preparation method and reduction device.