Kilpatrick Townsend & Stockton LLP
Determination method of magnesium content in aluminium alloy
The present invention discloses a method for determination of magnesium content in aluminum alloy, including: dissolving an aluminum alloy sample, using one or more compounds selected from the group consisting of mercapto-containing compound, acetone cyanohydrin, β-aminoethyl mercaptan, triethanolamine, tetraethylenepentamine, ethylene diamine and oxydol as masking agent, using eriochrome black T or methyl thymol blue as indicator, and using EDTA or CDTA to titrate the sample.
Southwest Aluminum (Group) Co., Ltd.
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inventional inventional additional
Manni Gongda Jian Yongli Hong Zhihong Ping Yu Yukun
Liu Liu Tang Hu Zhou Wei Jiang Chen Song