Period verification method of certified reference material of coal
YANG Hua-yu
PI Zhong-yuan
Abstract：This paper introduced the characteristics of certified reference material of coal, from aspects such as verification of validity, packaging conditions verification, storage conditions verification and characteristic value period verification, the period verification method was discussed, it was indicated that enhancing the correct usage of certified reference material of coal could reach the effects like value transfer, method determination and quality control of standard material or standard sample, the reference of how to use the coal standard material in laboratory could be provided.
Keywords：coalcertified reference materialperiod verificationvalue transmissionvalidity periodpackaging conditionstorage condition
Publication Date：2016-01-01
Pages：3( 21-23 )