通过外标法计算残留溶剂的含量。
The assay of residual solvents were calculated according to the external standard method.
含量测定采用外标法。
采用高效液相色谱外标法对氟磺胺醚进行定量。
A quantitative analytical method was established for fomesafen by using reversed phase HPLC.
用 正己烷内标法或标准气体外标法进行检测。
Then-hexane internal standard method or the standard gas external standard method is used for detection.
内标法在标记效率和个体存活率上比外标法要好。
Compared to external tagging, internal tagging is better in tagging efficiency and individual survival.
及电子捕获检测器（ECD），外标法计算含量。
The electron capture detector(ECD) and the external standard method were used.
按峰面积外标法计算浓度，并以小杯法测定溶出度。
The concentration was computed using external reference method of peak area and the dissolution was determined by small cup method.
目的建立高效液相色谱法(外标法)测定丙谷胺片的含量。
OBJECTIVE To develop a method for determining the contents of proglumide Tablets by HPLC.
采用与标准样品对照法进行定性；用峰面积外标法进行定量。
The impurities are qualitatively determined by contrasting with standard sample (standard gas), and quantitatively determined by calculating the peak areas.
还可用内标法和外标法对啤酒中的不挥发组分进行定量检测分析。
Besides, quantitation analysis of involatile compositions in beer could be done by internal standard method or by external standard method.
以外标法对喔草酯进行了定性和定量分析，同时并考察了该方法的回收率。
Qualitative and quantitative analysis of propaquizafop as external standard are established. Furthermore, and the recovery rates are reviewed.
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。
Methods: auto - injection using external standard headspace method, which make the component can be separated at the nonpolar elastic capillary column, the result is good.
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。
Methods: Use Head- space automatic injection method, isolating with the nonpolarity flexibility capillary column, calculating with external method.
对土壤中的汽油，采用外标法，经吹扫捕吸仪浓缩后，用气相色谱-质谱法分析定量。
With the instrument blowing and trapping to concentrate and sample and external standards, the gasoline in soil is determined quantificationally by gas Chromatography-Mass Spectrometry.
外标法主要包括鼻签、剪鳍、挂牌、烙印等，具有简便易行、成本较低等优点，但标记的保留率相对较低；
The external tags including nose label, fin clip, binding card and branding mark are provided with the advantages of simplicity, easiness and low cost, but their retentions are comparatively lower.
外标法峰面积定量。结果药材中巴马汀和药根碱的平均回收率分别为97.6 4 %和98.77%。
RESULTS The average recoveries were 97.64% and 98.77% for palmatine and jatrorrhizine, respectively.
采用毛细管气相色谱法，以外标法测定枸橼酸托烷司琼中乙醇、二氯甲烷、氯仿、四氢呋喃、二烷、吡啶和甲苯的含量，用串联的HP -1 0。
A simple capillary GC method for the determination of residual ethanol, dichloromethane, chloroform, tetrahydrofuran, 1, 4 dioxane, pyridine and toluene in tropisetron citrate was established.
采用毛细管气相色谱法，以外标法测定枸橼酸托烷司琼中乙醇、二氯甲烷、氯仿、四氢呋喃、二烷、吡啶和甲苯的含量，用串联的HP -1 0。
A simple capillary GC method for the determination of residual ethanol, dichloromethane, chloroform, tetrahydrofuran, 1, 4 dioxane, pyridine and toluene in tropisetron citrate was established.
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