| 1. | Inner calibration in icp - aes method to determine element concentration in alloy
内标法测定合金中常量成分 |
| 2. | Elements determination in silicon - calcium - barium alloy with internal standard by icp - aes
内标法测定硅钙钡合金中的元素 |
| 3. | Determination of benzoyl peroxide in wheat flour by internal standard method of capillary gas chromatography
毛细管气相色谱内标法测定小麦粉中过氧化苯甲酰 |
| 4. | Determination of dimethyl fumarate in the mold inhibitor with capillary gas chromatography by using internal standard method
毛细管气相色谱内标法测定防霉剂中富马酸二甲酯 |
| 5. | The rsd for internal standard method is 2 . 71 % , and the recoveries are in the range of 98 . 4 % - 102 . 1 %
研究了氟谱测定的前处理和共存离子的干扰，以外标法和内标法进行定量分析。 |
| 6. | The relative weight correction factor of isooctyl was 1 . 036 , and its relative error was less than 2 . 0 %
同时，通过与化学法对照结果显示，合成液用内标法测定较好，而精产品用带校正因子的归一化法测定较好。 |
| 7. | Gas chromatographic internal standard method was considered to determine purity for 1 , 1 - dimethylhydrine ( udmh ) instead of the standard working curve method
研究了气相色谱内标法代替常规的标准工作曲线法测定偏二甲肼纯度( udmh ) 。 |
| 8. | According to these the quantitative analysis for product citronellol is carried out by gc with fid ( fire iron detector ) as detector using hypnone as an internal standard
采用标准图谱比较和添加产物标准品对照的方法进行定性分析；确立了苯乙酮为内标物和用内标法进行定量分析的方法。 |
| 9. | The main contents are as followings : ( 1 ) the rules of choosing characteristic lines of fe and ni elements in the cu - pb alloy are investigated ; ( 2 ) the characteristic line of the impurity element and that of the reference element makes up a line pair . the intensity ratio of the line pair measured as an y - axis and the corresponding concentration ratio as x - axis , calibration curves for composition analysis is fitted at the 4 kinds of buffer gases
Q ）采用内标法，由样品中杂质元素的分析线和内标元素参考线组成分析线对，对五种不同的铅黄铜样品，实验通过测定了杂质元素分析线队的强度比，以分析线对的强度比为纵坐标、分析线对所对应元素的含量比为横坐标，拟合出了一系列在四种缓冲气体中的定标曲线。 |
