目的：对复方磺胺甲恶唑片中甲氧苄啶的鉴别方法进行改进。
Object: To improve the identification method for trimethoprim of compound sulfamethoxazole tablets.
为何甲氧苄啶含量测定时供试液的稀释倍数与磺胺甲恶唑测定时的要不同？
Why is the more diluted solution used for the assay of trimethoprim than that for sulfamethoxazole?
为何甲氧苄啶含量测定时供试液的稀释倍数与磺胺甲恶唑测定时的要不同？
Why is the more diluted solution used for the assay of trimethoprim than that for sulfamethoxazole?
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