标准溶液

用edta标准溶液滴定，可测得氧化钇的含量。

We can measure the contents of Yttrium with EDTA standard solution titration .

用EDTA螯合Bi2+和其他阳离子，然后加入MSA分解Bi&EDTA螯合物，释放出的EDTA用锌标准溶液返滴定。

Bi3 + and other canons are chelated by EDTA , MSA then added to decompose Bi-EDTA chelates and released EDTA back-titrated with Zn2 + standard solution .

维生素C标准溶液浓度的分光光度标定法

The Spectrophotometric Determination of the Concentration of Vitamin C Standard Solution

每毫升含1.00μg六价铬标准溶液的稳定性实验

The Stability Treatment to the Standard Solution Containing 1.00 μ g Cr6 + per Millilitre

~（57）Co放射性标准溶液制备及活度测量

The preparation and measurement of activity for ~ ( 57 ) co standard solution

方法II，使用标准溶液制备参比溶液，临配临用。

For Method II , prepare the reference solutions immediately before use from the standard solutions .

~（141）Ce标准溶液制备与绝对测量

Preparation and absolute measurement of ~ ( 141 ) Ce standard solution

~（60）Co标准溶液的国内外比对

Standard ~ ( 60 ) co solutions for domestic and international comparisons of β, γ - determinations

取部分溶液，在pH≥12.5碱性介质中，以钙试剂为指示剂，用EDTA标准溶液滴定钙量。

In pH ≥ 12.5 basic solution , calcium is titrated with EDTA .

~（147）Pm放射性标准溶液制备

Preparation of standard radioactive 147Pm solution

采用水介质直接分散纳米氧化锆粉体悬浮进样，以水标准溶液绘制校正曲线，石墨炉原子吸收法测定其中的微量Al。

Determination of trace aluminum in nano-size zirconia powders by graphite furnace atomic absorption spectrometry with slurry sampling and aqueous standards was reported in this paper .

以PAN为指示剂用硫酸铜标准溶液滴定过量的EDTA标准溶液，从而求得镍的含量。

The excessive EDTA standard solution was titrated using copper sulfate with PAN as indicator so as to obtain nickel content .

在KCI的底液中，用KOH标准溶液进行直接滴定。

It is titrated with standard solution KOH in KCI supporting electrolyte .

ppb级汞标准溶液的配制和保存

The preparation and storage of standard solutions of mercury at the ppb level

根据对系列标准溶液的测量结果，获得了碱性高锰酸钾法海水COD测量不确定度的分布规律。

The distribution regularities of uncertainty of Sea Water 's COD Measured by Alkalic Potassium Permanganate are obtained by measuring result of a series of standard solution .

利用铅锌矿中铅生成复盐沉淀，用EDTA标准溶液滴定锌，然后溶解复盐沉淀，加入过量EDTA标准溶液，用硝酸铅标准溶液反滴定。

After dissolving ore samples of zinc and lead , the lead ions were precipitated . The zinc ions were titrated by EDTA .

用两种方法测定了邻苯二甲酸氢钾标准溶液的COD值，以验证改进的COD测定方法的可靠性，比较了两种COD测定方法的优缺点和适用范围。

In order to prove the reliability of the modified method for COD measurement , two methods are used to get the COD values of KHP standard solutions .

参照78国际实用盐标基本定义及其背景材料，利用国内现有的技术条件，成功地配制出了特定电导率的KCl标准溶液。

According to the definition of PSS-78 and background materials , KCl standard solution having definite conductivity is prepared successfully .

文中分别讨论了在标准溶液与样品溶液的温度相同和不同的条件下pX（或pH）和浓度测定的应用程序。

Application programs for pX ( or pH ) and concentration measurements of standard and sample solutions are discussed under conditions of identical and different temperatures respectively .

环境pH值实验研究显示：同种类型的介质在不同pH值标准溶液的固液吸附体系中，pH值对介质吸附溶质硝基苯的吸附能力无明显影响。

The research of environmental pH value experimental shows that the pH value of different solid-liquid adsorption system has no obvious effect to the nitrobenzene adsorption ability which belong to the same type of medium .

通过调整钼测试溶液pH值，使钼在溶液中存在形态一致（MoO24-），并选用高纯试剂三氧化钼为基准物质标定硝酸铅标准溶液，提高方法的准确度。

The existing morphology of molybdenum in solution is identical by adjusting molybdenum to test pH value of solution . Lead nitrate standard solution is demarcated by choosing high-purity reagent MoS_2 as datum with high accuracy .

海水试样用NaOH调节pH约12，加入过量四苯硼化钠标准溶液，用微孔滤膜（或滤纸）过滤沉淀。

An excess of standard Na-TPB solution is added to seawater samples which bad been adjusted to about pH 12 with NaOH solution and collect the precipitate by microporous filter ( or filter paper ) .

本文叙述了~（147）Pm的分离、纯化、溶液组成及其稳定性，发展和建立了制备~（147）Pm放射性标准溶液的方法。

This paper describes systematically 147Pm separation , purification , solution constituents and its stability . The method for the preparation of standardized radioactive 147PM , solution with simple constituents is developed and established .

色谱法测定水中CHCl3和CCl4时标准溶液稀释方法的选择

Selection of Dilution Method for Standard Solution when Chromatography is Applied to Determine CHCl_3 and CCl_4

样品经HCl和KF溶解、H2O2氧化，在pH2.0~2.5的酸性溶液中，以磺基水杨酸为指示剂，EDTA标准溶液滴定全铁。

The sample was dissolved in HCl-KF and oxidized with H_2O_2.In the acidic solution at pH 2.0 ~ 2.5 , total iron was determined by EDTA titration with sulfosalicylic acid as indicator .

采用SH/T1591-94检测乙酸乙烯酯（VA）含量时，氢氧化钾-乙醇标准溶液的含水量是影响测定结果的主要因素。

When the vinyl acetate content is determined using SH / T 1591 - 94 , the amount of water in potassium hydroxide-enthanol standard solution is the primary factor influencing the measuring result .

用尼古丁标准溶液对质谱检测条件进行优化后，在SRM扫描模式下对尼古丁进行定量分析。

Mass spectrometer was first tuned with standard solution of nicotine to obtain optimum parameters for detecting , then quantitation of nicotine was carried out in selective reaction monitoring ( SRM ) scan mode .

方法：以自身的四苯硼根（TPB－）离子选择电极为指示电极，四苯硼钠（NaTPB）标准溶液为滴定剂，电位滴定法测定氟派酸胶囊的含量。

Method : The content of Norfloxacin capsule was determined by potentiometric titration using self-prepared TPB - selective electrode as indicator electrode and the Na TPB standardized solution as titration agent .

用多核素混合标准溶液制备了6种不同重量的圆柱体、井形体标准源。作了Ge（Li）探测器对不同样品量的全能峰效率刻度。

The full energy peak efficiency calibration of a Ge ( Li ) detector has been made for cylindrical and well-shaped liquid samples with six different weights . The samples are prepared by using the standard solution with many radioactive nuclides in it .

论文实验测定了图像SPR分析仪对不同已知折射率的标准溶液的响应，结果表明其折射率分辨率可达1.9×10~（-5），并且响应曲线的线性度良好。

Results show that response curves have very good linearity and that the imaging SPR analyzer can reach a resolution of 1.9 × 10 ~ ( - 5 ) RIU ( Refractive Index Unit ) .