ISO/DIS 23157 is the draft international standard of Determination of the silanol group content on the surface of fumed silica — Reaction gas chromatographic method.
Hubei Huifu Nanomaterial Co., Ltd. is the leading setting body of ISO/DIS 23157.
ISO/DIS 23157 is led by Dr. Wang Yuelin, Chairman of Hubei Huifu Nanomaterials Co., Ltd. and Chief Promotion Officer of ISO/TC256 China, and Dr. Wu as the deputy team leader.
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