1)Cold-vapor Atomic Absorption Method冷原子吸收法
1.Attentions in measuring the mercury content of the water sample by using cold-vapor atomic absorption method;冷原子吸收法测定水中汞含量时应注意的问题
2.Some factors affecting determination of mercury by cold-vapor atomic absorption method were discussed for the purpose of increasing accuracy and precision.文章对影响冷原子吸收法测定汞的有关因素进行了研究和探讨,以提高测定准确度和精密度。
3.This paper discusses on some matters needing attention in measuring the mercury content of the water sample by using cold-vapor atomic absorption method from aspects of the treatment of reagents used in determination,storage of specimens,and analysis on the factors influencing the results of determination.从测定用试剂的处理、样品的保存、影响测定结果的因素分析等方面讨论了用冷原子吸收法测定水样汞含量时应注意的一些问
英文短句/例句
1.Determination of Mercury in Copper, Lead and Zinc Concentrates by Cold Vapour AAS冷原子吸收法测定铜、铅和锌的精矿中的汞
2.Attentions in measuring the mercury content of the water sample by using cold-vapor atomic absorption method;冷原子吸收法测定水中汞含量时应注意的问题
3.Determination of trace mercury in urine with microwave digestion and cold vapor atomic-absorption spectroscopy微波消解-冷原子吸收法测定尿汞的研究
4.Evaluation of Uncertainty on the Determination of Mercury in Water by Cold Atomic Absorption Spectrometry冷原子吸收法测定水中汞的不确定度评定
5.Detection of Microwave Digestion-cold Atomic Absorption Spectrometry of Mercury in Shrimp Meal微波消解-冷原子吸收法测定虾粉中的汞
6.Determination on Trace Mercury in Cardiocrinum giganteum(Wall.) Makino by Flow Injection-Cold Atomic Absorption Spectrometry流动注射-冷原子吸收法测定大百合中的痕量汞
7.The determination of mercury in water by cold atomic absorbent spectrophotometry水中汞的冷原子吸收分光光度法测定
8.Water quality--Determination of total mercury--Cold atomic absorption spectrophotometryGB/T7468-1987水质总汞的测定冷原子吸收分光光度法
9.DETERMINATION OF TRACE MERCURY IN INDUSTRIAL CONCENTRATED CHLORHYDRIC ACID BY COLD ATOMIC ABSORPTION PHOTOMETRY冷原子吸收光度法测定工业用浓盐酸中痕量汞
10.Determination of Hg in Tipping Paper with Cold Vapor Atomic Absorption Spectrometry冷蒸气原子吸收光谱法测定接装纸中的Hg
11.Methods for chemical analysis of gallium--The cold vapor atomic absorption spectrophotometric method for the determination of mercury contentGB/T4375.11-1984镓化学分析方法冷原子吸收分光光度法测定汞量
12.Methods for chemical analysis of bismuth--Determination of mercury content--Cold vapour atomic absorption spectrometric methodGB/T8220.11-1998铋化学分析方法冷蒸气原子吸收光谱法测定汞量
13.Crude Gold--Determination of mercury content--Cold atomic absorption spectrometric methodGB/T15249.5-1994合质金化学分析方法冷原子吸收光谱法测定汞量
14.atomic absorption spectroscopy原子吸收光谱分析法
15.flame atomic absorption spectrometry火焰原子吸收光谱法
16.flameless atomic absorption spectrometry无焰原子吸收光谱法
17.graphite furnace atomic absorption spectrometry石墨炉原子吸收光谱法
18.atomic absorption spectrophotometry原子吸收分光光度法
相关短句/例句
Determination[英][d?,t?:m?'ne??n][美][d?'t?m?'ne??n]冷原子吸收法
1.Determination of Mercury in Tricholoma giganteum by Flow Injection-Atomic Absorption Spectrometry;流动注射—冷原子吸收法测定大白口蘑中的痕量汞
2.Determination of Mercury in Boletus Impolitus by Flow Injection-Atomic Absorption Spectrometry;流动注射-冷原子吸收法测定黄褐牛肝菌中的痕量汞
3)cold atomic absorption spectroscopy冷原子吸收法
1.Methods The cold atomic absorption spectroscopy was used to determine the survival mercury after the reaction between excessive Hgcl 2 and S 2 .方法 用过量定量的HgCl2 与S2 -反应 ,冷原子吸收法测定残余汞量 ,从而间接测定空气中硫化氢含量。
2.0 mm by cold atomic absorption spectroscopy (AAS).冷原子吸收法(CAAS),常用石英管内径是12。
4)Cold atomic absorption冷原子吸收
1.Evaluation of Uncertainty in Determination of Mercury in Rice by Cold Atomic Absorption Spectrometer;微波消解-冷原子吸收法测定大米中汞的不确定度评定
2.Determination of trace mercury in coal by the oxygen bomb combustion cold atomic absorption method;氧弹分解—冷原子吸收法测定煤中汞
5)CVAAS冷原子吸收
1.New methods for analysis of trace mercury in water samples were developed, based on the combination of preconcentration/separation using dithizone(DZ)-modified nanometer TiO_2 and determination by CVAAS (cool vapor atomic adsorption spectrometry).本文采用鳌合剂--双硫腙(DZ)对纳米TiO_2进行表面修饰,用于分离富集样品中的痕量汞,以冷原子吸收法检测汞的含量。
2.A new method for speciation of trace mercury in water sample was developed, based on the combination of preconcentration/separation using nanoparticle and determination by CVAAS (cool vapor atomic adsorption spectrometry).本文以纳米材料富集分离-冷原子吸收法测定水环境中的Hg(Ⅱ)和苯基汞,考察两种形态汞在纳米材料上的富集、分离行为及机理,并在此基础上寻求一种简便易行的纳米材料固载方法,使得纳米材料在富集痕量Hg(Ⅱ)/苯基汞时操作更方便、快捷,发展了一种高效灵敏、快捷的非色谱的汞形态分析新方法。
6)cold atomic absorption spectrophotometry冷原子吸收分光光度法
1.Determination of mercury in Sn-solders and button batteries by micro-hydride generation-cold atomic absorption spectrophotometry was reported in this paper.采用微型氢化物发生装置-冷原子吸收分光光度法测定了焊锡料及纽扣电池中的汞。
延伸阅读
氢化物发生—冷原子吸收法测定食品中的汞摘要汞是有毒元素之一，如果食品中含汞超标对人体非常有害，造成疾病，有的甚至死亡，故对食品中Hg的测定十分重视，决不可以超标，以免对人体健康带来威协。测定Hg的方法有很多，如专用测汞仪，化学法，原子荧光，冷原子吸收以及氢化发生—冷原子吸收法等，比较各种方法，我们认为氢化物发生—冷原子吸收法较好，具有灵敏度高，精度好，方法简便，操作基本上自动化等优点。关键词食品汞氢化物发生—冷原子吸收法1实验部分1.1仪器与试剂1.1.1TAS—986原子吸收光谱仪(北京普析通用仪器有限责任公司)WHG—102A2型氢化物发生器(北京瀚时制作所)纯水器，电阻率18.3M俜cm-1(韩国HUMAN公司制造，北京普析通用仪器公司中国总代理)1.1.2试剂：混酸HNO3+HClO4=5+1(V/V)高锰酸钾1％(W/V)载流1％HCl(V/V)介质4%H2SO4(V/V)参照物：大米中HgGBW—08508S，(购自国家标准物质中心)1.2实验步骤：1.2.1样品预处理称取大米(广州来样)3g左右(准确至0.0001g)置于放有3～4粒玻璃珠的三角烧瓶中，加入混酸10mL，过夜，次日置于电热板上缓缓加热(经常摇动一下三角瓶)。加热约3h，驱除NO2，到瓶口冒HClO4白烟，浓缩至1～2mL小体积，取下冷却。用4%H2SO4转移至20mL具塞试管中，加几滴1%的高锰酸钾呈紫红色，用4%H2SO4稀至刻度，摇匀备用。1.2.2实验标准储备Hg溶液的浓度不能小于100靏/mL用此溶液逐级稀释配制成含汞100ng/mL的溶液，用此液配制Hg的标准系列。于6支25mL容量瓶中分别加入100ng/mL的Hg溶液0.0、0.25、0.5、1.5、2.0、2.5mL,配制成Hg的标准系列，其浓度为0.00、1.0、2.0、6.0、10.0ng/mL。用4%H2SO4稀释(滴几滴1%高锰酸钾)至刻度，使溶液呈粉紫色。工作曲线见图1相关系数r=0.99971.2.3测定条件：仪器测定条件见表1表1仪器条件分析波长光谱带宽灯电流负高压测定方式积分时间253.7nm0.4nm3.0mA235.5V峰高18.0s氢化物发生条件见表2表2氢化物发生条件载气(氩气)载流石英管KBH4浓度160mL/min1%HCl不加热1.5%(含0.5NaOH)2结果与讨论
