To determine the contents of amino acids, including free and total amino acids in the angelica intravenous injection, external standard method was used.
应用外标法测定当归静脉注射液中游离氨基酸和总氨基酸的含量。
In this paper, the tritium external standard calibration method was used for the correction of quenching effect.
淬灭校正的方法有很多，外标准校正法是一种比较可靠的方法。
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