标准物质包括化学成分分析标准物质、物理特性与物理化学特性测量和工程技术特性测量标准物质，是统一量值的计量标准。列入《中华人民共和国依法管理的计量器具目录》，是国家依法管理的计量器具。国家计量局1987年颁布了《标准物质管理办法》对其实施法制管理。但是，该办法 The reference materials include chemical composition analysis reference materials, physical properties and physical and chemical properties measurement, and engineering technical characteristics measurement standard materials, which are unified quantitative measurement standards. Listed in the “Catalogue of Measurement Instruments Administered by the People’s Republic of China According to Law” is a measuring instrument that is legally administered by the State. In 1987, the National Bureau of Weights and Measures promulgated the “Measures for the Administration of Standard Materials” to implement its legal system. However, this approach