N,O-双三甲基硅基三氟乙酰胺(BSTFA)是否能衍生羧基或胺基上的氢如果能衍生胺基上的氢,是不是意味着胺基上的两个氢都可能同时被三甲基硅基取代,即一个N上可能接有两...
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The study researched the derivative way of carbohydrates with BSTFA by GC-MS.
研究了衍生化试剂BSTFA对烟草中糖类的衍生化反应,并用GC - MS进行分析。
After samples were derived by BSTFA, GC-MS took metoprolol as the internal standard substance and made a qualitative and quantitative test.
样品经双甲基硅烷三氟乙酰胺衍生后,以美托洛尔为内标物,用气相色谱-质谱联用仪进行定性定量分析。
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