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furnace program
相关语句
  升温程序
     A study on the determination of lead in urine by a furnace program of GFAAS.
     GFAAS测定尿中铅升温程序的研究
短句来源
     Objective To establish an optimum furnace program for GFAAS determination of lead in Urine.
     目的 建立一个石墨炉原子吸收法测定尿中铅的升温程序
短句来源
     Methods Experiment and study on furnace program of GFAAS such as dry, pyrolysis, atomization, clean-out were carried out and furnace program by aid of plotting the absorbance-temperature curve was confirmed.
     方法 通过对石墨炉干燥、灰化、原子化、净化过程的实验和研究 ,借助绘制吸收光度—温度曲线来确定升温程序
短句来源
     Conclusion The furnace program of GFAAS for determination of lead in urine is sensitive and its accuracy is improved.
     结论 建立的石墨炉原子吸收法测定尿中铅的升温程序 ,提高了灵敏度 ,改善了精确度
短句来源
  “furnace program”译为未确定词的双语例句
     Methods:The increment of nickel soak from the equipment of drinking water was determined by graphite furnace atomic absorption spectrometry with matrix modifier and optimized furnace program.
     方法:优化程序升温条件,比较基体改进剂,应用石墨炉原子吸收光谱法分析涉水产品中镍增加量。
短句来源
  相似匹配句对
     Program
     会议程序
     THE MICROCOMPUTER PROGRAM CONTROL FOR THE TEMPERATURE OF RESISTANCE-HEATED FURNACE
     电阻炉温度的微机程序控制
短句来源
     By means of Phoenics program,the numberical simulation for reformer furnace
     利用Phoenics程序对美国JohnZink公司的重整加热炉燃气火嘴进行了数值模拟,并研究了不同的空气切向速度对回流区尺寸的影响。
短句来源
     3. Program
     3.应用程序开发
短句来源
     C arc furnace.
     二是研制了三相交流电弧炉的仿真试验系统。
短句来源
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  furnace program
The precision, sensibility, accuracy, graphite furnace program and interferences for both methods were also investigated.
      
The output data of the heat and material balance program is transferred to the furnace program.
      


A simple and rapid method for the direct determination of Co in seawater and river water by Zeeman GFAAS is described. Various organic matrix modif- iers and furnace programs for the elimination of matrix effects were investigat- ed. Analyses were performed using tube-wall atomization, integrated absorbance measure, tartaric acid as matrix modifier, 20 μl or multiple sample injections, 0.4 nm slit width for Co 240.7 nm. The limit of detection (3σ) of the method is 0.1 μg L~(-1) and the characteristic mass...

A simple and rapid method for the direct determination of Co in seawater and river water by Zeeman GFAAS is described. Various organic matrix modif- iers and furnace programs for the elimination of matrix effects were investigat- ed. Analyses were performed using tube-wall atomization, integrated absorbance measure, tartaric acid as matrix modifier, 20 μl or multiple sample injections, 0.4 nm slit width for Co 240.7 nm. The limit of detection (3σ) of the method is 0.1 μg L~(-1) and the characteristic mass is 4.6 pg/0.0044 A.s Co was successfully determined in 11 seawater and 4 river water samples with an average recovery of 98% and a relative standard deviation of 4.6%.

本文提出了一种简便、快速直接测定海水Co的石墨炉原子吸收光谱方法。研究了几种不同的有机基体改进剂及石墨炉升温程序对消除基体干扰的效果。管壁原子化、酒石酸为基体改进剂、积分吸收测量、一次进样20μl(或多次进样以提高灵敏度)以及严格控制狭缝宽度在0.4nm可以获得最佳分析结果。海水Co的检测限(3σ)为0.1μgL~(-1),特征质量mo为4.6pg/0.0044A.S。11个海水样品及4个河水样品的平均回收率为98%,平均相对标准偏差为4.6%。

Objective To establish an optimum furnace program for GFAAS determination of lead in Urine. Methods Experiment and study on furnace program of GFAAS such as dry, pyrolysis, atomization, clean-out were carried out and furnace program by aid of plotting the absorbance-temperature curve was confirmed. Results The linearity range of calibration curve is 0.00~75.00μg/L,the correlation coefficient were greater than 0.995. The detection limit was 3.0μg/L(0.2ml urine sample was taken),the precision...

Objective To establish an optimum furnace program for GFAAS determination of lead in Urine. Methods Experiment and study on furnace program of GFAAS such as dry, pyrolysis, atomization, clean-out were carried out and furnace program by aid of plotting the absorbance-temperature curve was confirmed. Results The linearity range of calibration curve is 0.00~75.00μg/L,the correlation coefficient were greater than 0.995. The detection limit was 3.0μg/L(0.2ml urine sample was taken),the precision (RSD)were between 0.78~1.85%(urine lead concentration:15.0,30.0,75.0μg/L),recoveries of spiked samples ranged between 96.0~106.3%. Conclusion The furnace program of GFAAS for determination of lead in urine is sensitive and its accuracy is improved.

目的 建立一个石墨炉原子吸收法测定尿中铅的升温程序。 方法 通过对石墨炉干燥、灰化、原子化、净化过程的实验和研究 ,借助绘制吸收光度—温度曲线来确定升温程序。 结果 铅含量在 0 0~ 75 0 μg/L范围内呈线性关系 ,线性相关系数大于 0 995 ,本法检出限为 3 0 μg/L(取尿样 0 2ml)。对铅含量为 15 0、3 0 0、75 0 μg/L的配制样 ,测得方法RSD为 0 78%~ 1 85 % ,标准加入回收率在 96 0 %~ 10 6 3 %之间。 结论 建立的石墨炉原子吸收法测定尿中铅的升温程序 ,提高了灵敏度 ,改善了精确度

Objective:To study the method and condition for direct determination of lead in urine by GFAAS.Methods: Two kinds of chemical modifier, PdCl 2 and Mg(NO 3) 2-NH 4H 2PO 4,were compared by observing the background and recovery when urine was diluted in different proportion with 1% HNO 3. The proper furnace program was optimized.Results: 5 μl 100 mg/l of PdCl 2 was added as chemical modifier, urine was determined directly after being diluted (1∶1) with 1% HNO 3.The linear range of calibration curve...

Objective:To study the method and condition for direct determination of lead in urine by GFAAS.Methods: Two kinds of chemical modifier, PdCl 2 and Mg(NO 3) 2-NH 4H 2PO 4,were compared by observing the background and recovery when urine was diluted in different proportion with 1% HNO 3. The proper furnace program was optimized.Results: 5 μl 100 mg/l of PdCl 2 was added as chemical modifier, urine was determined directly after being diluted (1∶1) with 1% HNO 3.The linear range of calibration curve was 0~100 μg/l, the correlation coefficient was 0.9998,the detection limit of the method was 2.98 μg/l,the rate of recovery of lead in urine was from 92.0% to 105.5%,RSD was 1.41%~8.49%.Conclusion:Lead in urine can be determined directly by GFAAS after the samples being diluted (1∶1) with 1% HNO 3 in the condition of PdCl 2 as chemical modifier.This method is convenient, and the analytical data meets the demands of accuracy and precision.

目的:建立电热原子吸收光谱法直接测定尿中铅的方法。方法:比较了二氯化钯、硝酸镁-磷酸二氢铵分别作化学改进剂的不同效果;测定了尿样不同稀释比例对结果的影响;试验了最佳升温程序。结果:尿样经1∶1稀释后,加入5μl浓度为100mg/L二氯化钯溶液作化学改进剂,直接进样法测定铅作业工人尿中铅。用标准曲线法定量,方法线性范围0~100μg/L,相关系数r=0. 9998,进样量10μl时,检出限为2 98μg/L。3种浓度样品加标回收率为92. 0% ~105 .5%,RSD为1. 41% ~8 .49%。结论:用二氯化钯作化学改进剂,尿样经适当稀释,可用直接进样电热原子吸收光谱法测定,方法简便,精密度、准确度高,结果满意。

 
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