加标回收

该法对水样6次平行测定Cu和Cd的相对标准差分别为4.3%及11%，加标回收率为84.4%～118%。

The relative standard deviation of 6 parallel determinations was 4.3 % for copper and 11 % for cadmium .

用单向免疫扩散法测定免疫球蛋白G含量，相对标准偏差为0.430%，加标回收率为99.58%。

The RSD is 0.430 % and the recovery rate is 99.58 % when using SRID method to determine the content of IgG .

ICP-AES法测定高纯碲中的杂质元素Ca、Ce和Ti，进行了碲基体影响、加标回收和精密度实验研究。

Simultaneous determination of Ca , Ce and Ti impurity elements in high purity tellurium were carried out by ICP-AES .

PE、PC的加标回收率分别为830%～1056%和813%～860%，均可满足卫生分析的要求。

The recoveries for PC and PE ranged from 81 3 % to 86 0 % and from 83 0 % to 105 6 % respectively .

实测了工业废水和天然水中Cr（Ⅲ）和Cr（Ⅵ）含量，加标回收率97.0%～101.0%。

The method has been applied to the analysis of chromium in industrial waste water and natural water with recovery of 97.0 % - 101.0 % .

方法已成功地应用于海水中碘离子的测定，1μg／L碘离子的加标回收率为98%-105%。

The method has been applied for the determination of iodide in seawater with recoveries of 98 % - 105 % .

结果表明：大豆黄素的线性范围为0.0450~0.3150μg，加标回收率为99.05%，相对标准偏差（RSD）为1.31%；

The results show the linear range of Daidzein is ( 0.0450 ) ~ 0.3150 μ g , the recovery is 99.05 % , RSD is 1.31 % .

使用该方法测定大庆减渣和扶余原油中微量钴的含量，它们的RSD分别为1.66%和0.94%，加标回收率分别在96.85%～101.01%和95.31%～101.90%范围内。

The recovery of added standard is from 96.85 % to 101.01 % and from 95.31 % to 101.90 % , respectively .

苯甲酸的平均RSD为0.41%，平均加标回收率是100.7%，相对误差值是-0.37%。

The relative standard deviation of benzoic acid was 0.41 % , average recovery was 100.7 % , average relative error was-0.37 % .

加标回收率分别为100.7%和100.5%，RSD为1.78%和1.85%；

The average recoveries of the baicalin and baicalein were respectively 100.7 % and 100.5 % with RSD of 1.78 % and 1.85 % .

将新建方法应用于实际水样中Cu的测定，相对标准偏差为小于1.68%，样品加标回收率为94.60%~102.10%，结果满意。

When proposed method was used to determine Cu in water , satisfactory results were obtained , the relative standard deviation was less than 1.68 % and the recoveries were from 94.6 % to 102.2 %

cm，本方法应用于环境水样（青山湖水样）中亚硝酸根的测定，加标回收率96.90±2.07%。

The method was applied to the determining of the nitrite in Qing Shang Lake , and When the water sample was added the standard sample , the recycle rate was 96.90 ± 2.07 % .

单个实验室对含5μg和15μg样品进行多次测定，其相对标准差小于5%，样品加标回收率为982%～1005%，方法检测限为0007mg/m3。

In a laboratory , the samples containing 5 μ g and 15 μ g were determined many times , its relative standard deviation was less than 5 % , and the recovery was 98.2 % ~ 100.5 % .

当16个PAHs的紫外检测波长被优化选择时，它们的加标回收率在79.3%～119%之间。

When the UV detection wavelengths for the 16 PAHs were selected to the optimum , their recoveries of the additional standard varied from 79.3 % to 119 % .

用0.22μm孔径的微孔滤膜采集大气颗粒物中的银，并用火焰原子吸收法测定，该方法检出限为0.56μg，精密度为1.2%1.8%，样品加标回收率为99.0%101%。

Silver in atmospheric particulates was collected by micropore membrane filter of which aperture is 0.22 μ m and determined by FAAS . The detection limit of this method is 0.56 μ g / g. The precision is 1.2 % ?

对样品分析，铜的加标回收率为93.5%&109%，相对标准偏差RSD≤3.7%。

The analysis of practical samples resulted the recovery of copper is between 93.5 and 109 % and the relative standard deviation ( RSD ) less than 3.7 % .

结果：测定6种大豆异黄酮的平均加标回收率在86.7%~116%，加标回收相对标准偏差均小于8%，最底检出限量小于0.04μg。

Results : The average recovery of 6 isoflavones was within 86.7 % ~ 116 % , and the relative variation coefficient was below 8 % for all . The minimal detecting amount of the 6 soy isoflavones was below 0.04 μ g.

本文采用反王水压力消解罐消解，原子吸收分光光度计测定了土壤标准物质和待测样品中Cu、Pb、Cr、Cd等元素的含量，并进行了加标回收试验。

In this study , concentrations of Cu , Pb , Cr , and Cd in soils and standard soil materials have been determined by AAS after the soils were digested using reverse aqua regia method in high-pressure pot .

本方法的石油类和苯酚的线性范围均为0～8μg／ml。加标回收率：石油类为90%～109%；

The linear ranges of calibration curves are 0-8 μ g / ml for oil and phenol , and the recoveries of the standard oil and phenol are 90 % ~ 109 % and 90 % ~ 102 % , respectively .

通过对酒样分析，RSD≤4.6%，加标回收率96%&106%，检出限仅0.005%。

These results for wine samples shew that the RSD ≤ 4.6 % , and the recovery rate is 96 % & 106 % and the detection limit is 0.005 % CH_3OH .

结果方法的检测下限为0.022mg/L，定量下限0.07mg/L，实际样品的加标回收率为93.4%～102.2%，相对标准偏差（RSD）为5.19%～1.55%。

The rate of recovery of the sample with standard reference material was 93.4 % ~ 102.2 % , and the relatively standard deviation ( RSD ) was 5.19 % ~ 1.55 % .

用该方法测定了聚乙烯树脂和聚丙烯树脂中的铁，其RSD分别为1.3%和0.76%，加标回收率分别为100.0%和101.2%。

Fe (ⅲ) in polyethylene and polypropylene was determined , the RSD was 1.3 % and 0.76 % , and the recovery of standard addition was 100 % and 101.2 % , respectively .

维生素B2平均加标回收率为94.0%，维生素B2相对标准偏差为0.44%，合成标准不确定度为4.917×10-3。

The recovery of spiked samples was 94.0 % , and the relative standard deviation was 0.44 % . Compound normative incertitude was 4.917 × 10 ~ ( - 3 ) .

实际水样PCP的加标回收率在70%左右，平均偏差为6.5%。

When LPME / GC-ECD was applied to the determination of PCP in municipal sewage , the average of relative recoveries and RSDs were 70 % and 6.5 % , respectively .

在选定条件下，14个稀土元素的检出限为（0.06～1.10）μg/g，相对标准偏差（n≥10）为0.98%～9.3%，加标回收率为93%～114%。

Under the optimized working condition , the detection limits for 14 REEs are ( 0.06 ~ 1.10 ) μ g / g. Recoveries for rare earth impurities are 93 % ~ 114 % with precision of 0.98 % ~ 9.3 % RSD ( n ≥ 10 ) .

将该法应用于生物化工产品丙酸钙、动物蛋白粉等中痕量锰的测定，加标回收率105%，10次测定RSD为4.6%。

This method was applied to determination of trace manganese in some biochemical products with a satisfactory results . The recovery rate of standard addition is 105 % and the RSD is 4.6 % .

实际水样的加标回收率：MMA为（96±2）%，DMA为（103±3）%，它们的相对标准偏差分别为6%和3%。

The recoveries of MMA and DMA are ( 96 ± 2 ) % and ( 103 ± 3 ) % , their relative standard deviations are 6 % and 3 % , respectively .

采用重铬酸钾稀释热比色法测定土壤中的有机质，样品加标回收率为95.2%～108.2%，变异系数（CV）为2.67%～3.68%。

The content of organic matter in soil was determined with the method of potassium bichromate-dilution heat colorimetric . The recovery rate was 95.2 % ~ 108.2 % and the CV was 2.67 % ~ 3.68 % .

用于3种香型白酒样品中总酯的测定，RSD≤2.6%，加标回收率为96.1%～105.9%。

The determination results of total ester in three fragrant types of distilled spirit show that the RSD ≤ 2 6 % and the recoveries are in the range of 96 1 % ~ 106 %

该方法用于米粉、粉丝等食品中甲醛的测定，测定结果的相对标准偏差（RSD）小于5%，加标回收率为98.5%~101.2%。

The method has been applied to the determination of trace formaldehyde in rice flour and vermicelli . The RSD is less than 5 % . The recoveries are between 98.5 % and 101.2 % .