- external comparison method
- external reference method
- external standard method
- method of external standard
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外标法的英文
例句与用法
- Methods : use head - space automatic injection method , isolating with the nonpolarity flexibility capillary column , calculating with external method
方法：采用外标法顶空自动进样，在非极性弹性毛细管柱上进行分离，效果良好。 - Diesel oil in soil was determined quantitatively by gas chromatography - mass spectrometry with external standard method after ultrasonic extraction . the method is accurate and simple
摘要对土壤中的柴油，用超声萃取法进行处理，利用气相色谱质谱仪进行分析，采用外标法进行了定量测定。方法准确度高，简便可行。 - Qualitative analytical method in x - ray fluorescence spectrometry was discussed , and a quantitative method with fluorescence intensity ratio combining other method was established
摘要本文探讨了x射线荧光光谱法元素定性分析检出判定方法，并提出了一种与其他分析方法结合、利用荧光谱线强度比对对元素进行定量的单点外标法。 - As precise control of incoming sample amount is hard when using microinjector , it is better to use quantitative ring or auto - sampler to take samples when using external standard method to measure content of a certain impurity or main component of the test samples
由于微量注射器不易精确控制进样量，当采用外标法测定供试品中某杂质或主成分含量时，以定量环或自动进样器进样为好。