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采用正交设计法选择龙骨最佳炮制条件,以Ca~(2+)离子含量为指标,用EDTA络合滴定法滴定,结果认为最佳炮制条件是温度660℃,时间10分钟,醋淬1次(A_2B_1C_2)。
The orthogonal design method was used to select the best processing conditions of the keel. The content of Ca 2+ ions was used as an indicator and titration with EDTA complexometric titration. The results showed that the best processing conditions were temperature 660°C, time 10 minutes, vinegar quenching 1 Times (A_2B_1C_2).