

  回收率 
Test for recovery with 5 simulated samples gave results of recovery in the range of 93.3%105.5%. 
用5个模拟样进行回收率试验,5个元素的回收率结果在93.3%~105.5%之间。 

In the test for precision and recovery of this method RSD′s(n=7) obtained for CRXZ was 1.28% and for ACAP was 0.84%,and average recoveries were 100.0% for both constituents. 
精密度及回收率试验所得结果的RSD(n=7)值为1.28%(CRXZ)及0.84%(ACAP),两者的平均回收率均为100.0%。 

Tests for precision and recovery were made,and the values of RSD(n=6) obtained was 1.8% and of recovery in the range of 97%105%,which were comparable with the gas chromatographic method. 
检测波长280 nm。 相对标准偏差为1.8%,回收率在97%~105%之间。 

In the analysis of samples of amikacin injection and human urine,values of RSD less than 1.5% were obtained. Results of recovery tests found were in the range of 99.7%100.3%. 
方法用于市售药物及人体尿液中阿米卡星含量的测定,所得测定值的RSD均小于1.5%,回收率试验的结果在99.7%~100.3%之间。 

In its application to the determination of copper in rice,RSD′s(n=6) found were less than 2%,and the values of recovery test obtained by the standard addition method were in the range of 96.6%98.7%. 
将此方法应用于测定大米中铜,根据6次测定结果算得相对标准偏差小于2%。 用标准加入法进行回收试验,测得回收率在96.6%~98.7%之间,试验了31种共存离子对测定的影响。 

It is proved that the optimum condition is 5 cm of cadmium column height,9.159.78 of ammoniacal buffer pH and 23 times of content of cadmium column of washing drip. The deoxidization efficiency and recovery rate are satisfying. 
结果表明,当镉柱高度为5 cm,氨缓冲溶液pH 9.159.78,水洗脱液23倍于镉柱容积时,还原效率及回收率都较高。 

The results indicated that the optimum decolorization effect was obtained from the treatment conditions of 1% active carbon powder under conditions of decolorization temperature 40℃ and adsorption time 30 min. The decolorization rate reached 93.25% and the recovery rate of zein was up to 91.42%. 
结果表明:粉末活性炭用量1%,脱色温度40℃,吸附时间30min,醇溶蛋白提取液脱色效果明显,脱色率达到93.25%,醇溶蛋白回收率为91.42%。 

Results:The linear range of rutin was 0.2435~1.2175μg,r=0.9996,The average recovery was 101.3%,RSD1.1%,Conclusion:The method was simple,rapid,and accurate and suitable for the detection of Zhi Suning tablet. 
结果:芦丁在0.2435～1.2175μg范围内呈线性关系,r=0.9996,平均加样回收率为101.3%,RSD为1.1%。 结论:操作简便,结果准确,重现性好,可以控制痔速宁片的质量。 

After the preoxidation of intensified alkaline leaching under normal temperature and pressure,the dissolution of gold by NaCN was enhanced to 85.85%,and the adsorption recovery by activated charcoal was 99.62%. 
采用常温常压碱性强化预氧化工艺处理后,金的浸出回收率提高到85.85%,炭吸附率99.62%。 

The experimental results showed a good linear relationship between the peak aera and the concentration of standard samples. The average recovery for standard samples was 95 %～98 %, and the relative standard deviations was less than 5 %(n=5), and the limit of detection for tyrosol and tryptophol were 0.05 mg/L and 0.01 mg/L respectively. 
采用的多极校正标准线性关系良好,样品加标平均回收率为95%～98%,RSD均小于1.5%(n=5),方法检出限分别为0.05mg/L(酪醇)和0.01mg/L(色醇)。 

In this techniques,high recovery efficiency of glyphosate as much as 95% was obtained and removal rate of COD was above 95%. 
该工艺草甘膦回收率达到95%,废水COD去除率大于95%,实现了草甘膦废水的资源化. 

The average recovery rate and coefficients of variation were 83.42%～96.47% and 2.95%～4.04% respectively,the detecion limits of imidacloprid was 0.001 5 mg·kg1.These results showed that the accuracy,precision and sensitivity of the method accord with the demands of residue analysis of pesticide. 
结果表明,吡虫啉回收率为83.42%96.47%,变异系数为2.95%4.04%,最低检出浓度为0.001 5 mg. kg1.该方法的准确性、精确性以及灵敏度均达到农药残留分析的要求. 

Results show that: 1) when the method of ammonium sulfate saltingout is applied to purify phycoerythrin from porphyra yazoensis crude extracts with an absorbance ratio(OD 561 /OD 280 ) of 0.365, a product with OD 561 /OD 280 of 0.45 and recovery yield of 67.33% is obtained . 
结果显示:1)对藻红蛋白纯度(以OD561/OD280表示)为0.365的条斑紫菜粗提物采用盐析法沉淀藻红蛋白时,得到藻红蛋白的纯度为0.45,回收率为90.53%; 

2) ultrafiltration with WM 50 000 Da is used for desalting and going out small molecule heteroprotein from saltingoutyield of phycoerythrin, making purity(OD 561 /OD 280 ) of phycoerythrin reach 0.74 and recovery rate reach 93.11%. 
2)采用截留分子量为5万Da的超滤膜对藻红蛋白盐析物进行脱盐和出去小分子杂蛋白处理,得到的藻红蛋白的纯度为0.74,回收率为93.11%; 

3) hydroxyapatite column chromatography and DEAE52 column chromatography are further used, so the maximum purities of phycoerythrin reach 2.76 and 1.74 respectively, and the recovery rates reach 59.3% and 56.81% respectively. 
3)进一步分别采用HA柱层析和DEAE52柱层析纯化超滤液,藻红蛋白最高纯度分别为2.76和1.74,回收率分别为59.3%和56.81%。 

The lowest detection limit of instrument for acephate was 0.05ng,The lowest detection concentration for sample was 0.05 mg/L. The average recovery and RSD. of this method were 90.1%～98.4% and 0.89%～4.31%. 
乙酰甲胺磷的最小检出量为0.05ng,水样中的最低检出浓度为0.005mg/L,添加回收率为90.1%～98.4%,相对标准偏差在0.89%～4.31%,符合残留分析要求。 

Injector temperature was 260℃, FID detector was used with temperature 250℃, carrier gas (N2) was 1.0 mL/min, hydrogen was 30 mL/min, air was 350 mL/min and split ratio was 1:40. The coefficient of variation was 0.077 9%, the average recovery was 100.06%, the standard deviation was 0.074, and the coefficient of linear correlation was 0.999 9. 
进样口温度260℃,检测器温度250℃,气体流速为载气(N2)1mL/min,燃气(H2)30mL/min,助燃气(Air)350mL/min,分流比1∶40。 本方法的变异系数0.0779%,平均回收率100.06%,标准偏差为0.074,线性相关系数为0.9999。 

The result shows that standard deviations, coefficients of variation, average recovery, and linear correlation were 0.29, 0.30%, 99.52%, and 0.999, respectively. 
结果表明,本方法的标准偏差为0.29,变异系数为0.30%,回收率为99.52%,线性相关系数为0.999。 

The results show that the standard deviation is 0.67, the variation coefficient is 0.69%, the average recovery is 100.01%, linear correlation is 0.999 6. 
其标准偏差为0.67,变异系数为0.69%,回收率100.01%,相关系数0.9996。 

The coefficient of variation of hymexazol, metalaxyl, thiram were 0.6504%, 1.4575% and 2.7686%. Standard deviation of them were 0.0215, 0.0345 and 0.3093. Average recovery of them were 99.96%, 99.84% and 99.30%, respectively. 
该分析方法的变异系数分别为0.6504%、1.4575%、2.7686%,标准偏差分别为0.0215、0.0345、0.3093,平均回收率分别为99.96%、99.84%、99.30%。 



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