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determination of cyanide     
相关语句
  氰化物的测定
     Based on the inhibition of cyanide to the horseradish peroxidase(HRP), the HRP electrode has been used in the determination of cyanide in water.
     基于氰化物对辣根过氧化物酶(HRP)的抑制作用,将辣根过氧化物酶电极用于水中的微量氰化物的测定
短句来源
     This method is applicable to the determination of cyanide in natural water and industrial waste water.
     此方法已用于自来水和工业废水中氰化物的测定
短句来源
     Determination of cyanide in gold concentrate
     金精矿中氰化物的测定
短句来源
     The proposed method has been applied to the determination of cyanide in water with satisfactory results.
     方法用于环境水样中氰化物的测定
短句来源
     Beer's law was obeyed in the range of 0~0.32 mg/L of CN- concentration. The method had been applied to the determination of cyanide in environmental water with satisfactory results.
     CN-含量在0~0.32mg/L内符合比耳定律,用于环境水中氰化物的测定,结果满意。
短句来源
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  氰化物测定
     A linear relationship holds in the range of CN- concentration of 0. 0-0.01μg ? ml-1, and its limit of detection is 0. 40ng ? ml-1. The proposed method proved to be of high sensitivity and has been applied to the determination of cyanide in water with satisfactory results.
     CN~-含量在0.0~0.01μg·ml~(-1)范围内呈线性关系,检出下限为0.40ng·ml~(-1),方法的灵敏度高,用于水中的痕量氰化物测定,结果满意。
短句来源
     Discussion on the improvement of the determination of cyanide in water and the increase of recovery rate
     水中氰化物测定方法改进及回收率提高探讨
短句来源
     Method Discussion on Determination of Cyanide in Seawater
     海水中氰化物测定方法探讨
短句来源
     DISCUSSION OF SOME RELAED PROBLEMS IN THE DETERMINATION OF CYANIDE
     关于氰化物测定中有关问题的探讨
短句来源
     An Improved Method for Determination of Cyanide in Drinking Water
     生活饮用水中氰化物测定方法的改进
短句来源
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  测定氰化物
     Based on the decoloring effect of CN - on 5 (4 sulfonatephenylazo) 8 aminoquinoline (SPAQ) Ni(Ⅱ) CTMAB color system,a new method for the determination of cyanide was established.
     根据CN- 对5-(4-磺酸基苯偶氮)-8-氨基喹啉(SPAQ)-Ni2+ -CTMAB体系的干扰褪色作用,建立了一种测定氰化物的新方法。
短句来源
     Application of the Nickel-Cadion2B System to the Spectrophotometric Determination of Cyanide
     Ni(Ⅱ)-Cadion 2B显色体系间接光度法测定氰化物
短句来源
     Study of the Determination of Cyanide Based on the Inhibition of Cyanide to the Horseradish Peroxidase
     基于氰化物对辣根过氧化物酶的抑制作用测定氰化物的研究
短句来源
     A new method for the chemiluminescence determination of cyanide has been proposed with CN~--luminol system.
     本文提出了利用鲁米诺-氰化物化学发光体系测定氰化物的新方法。
短句来源
     Study on the Determination of Cyanide by Oscilloscopic Polarography
     单扫示波极谱法测定氰化物的方法研究
短句来源
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  “determination of cyanide”译为未确定词的双语例句
     DETERMINATION OF CYANIDE BY A SPECTROPHOTOMETRIC REVERSED FLOW INJECTION METHOD
     DETERMINATION OF CYANIDE BY A SPECTROPHOTOMETRIC REVERSED FLOW INJECTION METHOD
短句来源
     The method permits selective determination of cyanide with a detection limit of 1.2ng/ml for CN~-, The linear range is 2~100ng/ml for CN~-.
     方法的检出限是1.2ng/ml,校正曲线在2~100ng/ml CN~-范围内具有良好的线性。
短句来源
     The linear range of the detection of the electrode for cyanide was from 0.3 μg/mL to 20 μg/mL, with the detection limit of 100 ng/mL. The electrode was applied to the determination of cyanide in water with satisfactory results.
     电极检测氰化物的线性范围为0.3~20μg/mL,检出限为100ng/mL,将电极用于水中CN-回收率的测定,结果良好。
短句来源
     Determination of cyanide in surface water with AA3 flow injection analysis
     AA3流动注射仪测定地表水中氰化物
短句来源
     Preparation of Mixed Crystal-membrane Ag/Ag_2S Electrode and its Application to the Determination of Cyanide Ion in Sewage
     电解沉积制作复合Ag/Ag_2S电极测定污水中氰化物
短句来源
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  determination of cyanide
The method was successfully applied to determination of cyanide in water and industrial waste waters, and the accuracy was examined through independent analysis by accepted method of pyridine-barbituric acid.
      
A simple and rapid flow injection system is proposed for indirect determination of cyanide by flame atomic absorption spectrometry.
      
Novel Optical Biotest for Determination of Cyanide Traces in Marine Fish Using Microbial Cyanide Hydratase and Formate Dehydroge
      
Indirect spectrophotometric determination of cyanide
      
The effect of barbituric acid concentration in the spectrophotometric determination of cyanide and thiocyanate by the pyridine-b
      
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This paper reports a method for the indirect determination of cyanide ion by cathodic stripping voltammetry. In the presence of cyanide, the stripping peak of mercuric sulfide is sharply lowered, so the concentration of cyanide ion can be determined quantitatively according to the decrease of the peak height Thioacetamide shows a stripping peak of mercuric sulfide at about-0.95V (vs. Ag-AgCl) in the borate buffer medium, a linear relationship between the decrease of the peak height and the...

This paper reports a method for the indirect determination of cyanide ion by cathodic stripping voltammetry. In the presence of cyanide, the stripping peak of mercuric sulfide is sharply lowered, so the concentration of cyanide ion can be determined quantitatively according to the decrease of the peak height Thioacetamide shows a stripping peak of mercuric sulfide at about-0.95V (vs. Ag-AgCl) in the borate buffer medium, a linear relationship between the decrease of the peak height and the concentration of cyanide ion in the range of 10~(-6)M~10~(-8)M is observed. The interference of cations is eliminated by treating the sample solution with an ammonium form ion exchange resin. The method has been used to determine trace amount of cyanide ion in industrial waste-water and environmental water without distillation.

本文报道了一种在悬汞电极上用阴极溶出伏安法间接测定痕量氰化物的方法.当氰离子存在时,硫化汞溶出峰受到明显的抑制。根据溶出峰的降低,可以定量地测定氰离子.在硼酸钠介质中,硫代乙酰胺在电位-O.95V附近出现硫化汞溶出峰,峰高的降低值与氰离子浓度在lO~(-6)~10~(-8)M范围内有线性关系.检测下限可达2.O×lO~(-8)M,相当于O.5ppb.采用本文提出的铵型阳离子交换树脂处理水样,可以不经蒸馏,简便快速地测定工业废水和环境水中的痕量氰化物.

This paper reports the determination of cyanide at low concentration with the silver ion-selective electrode with Ag(CN)_2~- indicator by multiple standard addition method and the method of Gran's plot.Using this method,the CN~- contents in the samples of the polluted water from Fuzhou district were deter mined. It was found that this method is more simple and faster than the traditional colorimetric method.

作者用银离子选择电极直接电位法测定水中微量及痕量CN~-。以Ag(CN)_2~-为指示剂,采用多次标准加入法和格氏作图法求出溶液中CN~-含量。此法比用氰离子选择电极灵敏度高,比用比色法简便快速。

During the colorimetric determination of cyanide, the catalytic action tothe decomposition of the cyanide is observed under the condition of the existence of some metallic ions. Through the research on the dynamics of the catalytic decomposition of the cyanide by the metallic ions, the authors know the reaction is of the 1st-order and the sequence of the rate of the catalytic reaction of the decompsition of cyanide is as follows: Ni2+>Co2+>Cn2+>Mn2+ -Fe2+-Zn2+. Meanwhile the relationship...

During the colorimetric determination of cyanide, the catalytic action tothe decomposition of the cyanide is observed under the condition of the existence of some metallic ions. Through the research on the dynamics of the catalytic decomposition of the cyanide by the metallic ions, the authors know the reaction is of the 1st-order and the sequence of the rate of the catalytic reaction of the decompsition of cyanide is as follows: Ni2+>Co2+>Cn2+>Mn2+ -Fe2+-Zn2+. Meanwhile the relationship between the concentration of Ni2+ and the catalytic reaction of the decomposition of cyanide is also examined. It is observed that the reaction of the concentration of Ni2+ within the range of 0-4 ppm keeps a linear relation with the absorption value of CN- remained in the Solution.

有重金属离子存在下比色测定氰时,发现一些金属离子在该条件下,对氰化物的分解具有催化作用。通过金属离子催化分解氰化物的动力学研究,证实是一级反应,各金属离子对氰化物催化分解反应的速度次序为: Ni~(2+)>Co~(2+)>Cu~(2+)>Mn~(2+)~Fe~(2+)~Zn~(2+)同时还试验了镍离子浓度与催化分解氰化物之间的关系。测得镍离子浓度在0—4ppm范围与溶液中残留氰吸光值符合线性关系。

 
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