A standard volumetry for determination of cobalt in cobaltous oxalate was studied and improved.
对测定草酸钴中钴含量的容量法进行了改进。
The preparation technique for cobaltous aluminate, the coating mold wall and casting process are also introduced.
介绍铝酸钴的制备，面层涂料的配制以及合金的浇注工艺。
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