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GBW03101和GBW03102是我们于1983年研制完成的粘土国家一级标准物质，因当时研制量较少，现已基本用完。为了保持该矿种标准物质的连续性，1992年我们又对该样进行了复制，复制后的样品于1994年通过国家技术监督局验收批准，国标号为GBW03101a和GBW03102a。本文仅对此标准物质
GBW03101 and GBW03102 are the first-grade clay national standard materials that we developed in 1983 because of the relatively small amount of development at that time and they have now basically been used up. In order to maintain the continuity of the mineral reference material, we again in 1992, the sample was copied after the sample was approved by the State Bureau of Technical Supervision in 1994 for approval, the national standard GBW03101a and GBW03102a. This article only for this standard material