光度

For the smelting slags of exhausted automobile catalyst, a method for determination of trace amounts of platinum and palladium by plus-dual-wavelength overlapping spectrophotometry in dibenzyl dithiooxamide-SnCl2 system was developed.

针对失效汽车催化剂火法熔炼渣，研究了采用正峰双波长叠加，二苄基二硫代乙二酰胺-SnCl2体系萃取光度法测定渣中痕量铂钯的方法。

In this paper, kinetics and mechanism of oxidation of dihydric alcohols、 ethylene glycol monoethyl ether 、 amino acids by Ag in alkaline medium were studied by spectrophotometry.

本文用分光光度法研究了在碱性介质中，二羟基二合银配离子氧化二元醇、乙二醇独乙醚和天冬氨酸的反应动力学及机理。

The extraction of trace amounts of Hg in amedium of HCl with trioctylmethylammonium chloride in dimethylbenzene and the subsequent spectrophorometric determination is described.

研究了以季胺盐即氯化三辛基甲基胺的二甲苯溶液为萃取剂，在HCl介质中痕量汞的萃取和分光光度法测定。

The extraction and separation of total alkaloids from Wu-He Dipsacus by continuous extraction are described. Then the analysis of the quantity of alkaloids is carried out by UV method.

采用索氏提取法对不同生长时期的五鹤续断中总生物碱进行提取并分离，探讨用紫外分光光度法测定总生物碱质量分数的方法。

The extraction and separation of total alkaloids from Wu-He Dipsacus by continuous extraction are described.Then the analysis of the quantity of alkaloids is carried out by UV method.Furthermore,the determination method of alkaloids is discussed.

采用索氏提取法对不同生长时期的五鹤续断中总生物碱进行提取并分离，探讨用紫外分光光度法测定总生物碱质量分数的方法。

Methods The dissolution of roxithromycin capsules was analyzed with spectrophotometry. The dissolutive parameters of different products were compared.

采用分光光度法测定罗红霉素胶囊的体外溶出度，并对溶出参数进行相关性分析。

Objective: Spectrophotometric method determination of ozone in ambient air by using indigo disulfonic acid sodium is a well method.

目的：研究了靛蓝二磺酸钠分光光度法测定环境空气中臭氧。

Spectrophotometric determination of ozone in indoor air by using indigo disulphonate was investigated.

建立了快速简便、灵敏的测定室内空气中臭氧的方法--靛蓝二磺酸钠分光光度法。

The uncertainty of ozone concentration in air measured by indigo disulphonate spectrophotometry was assessed.

对靛蓝二磺酸钠分光光度法测定某工作场所空气中臭氧浓度的不确定度进行了评定。

A modified analysis method based on the determination of ozone—indigo disulphonate spectrophotometer(GB/T 15437-1995) in gas phase has been developed to detect the concentration of ozone in liquid phase. An analytical condition of λmax=612～615 nm,ε=20 000 L/, pH 2 is obtained by the titration of indigo disulphonate. Compared with potassium iodide method,it shows a higher precision and accuracy,CV＜3.0%. The results also prove that blank experiment will bring about 5.0%systematic error.

在气相臭氧浓度的靛蓝二磺酸钠分光光度法(GB/T15437-1995)基础上提出了液相臭氧浓度的测定方法，采用靛蓝二磺酸钠标准曲线法代替采用易分解的臭氧标准曲线法，得出测定条件λmax=612～615 nm、ε=20 000 L/、pH为2，通过碘量法比较实验，说明新的测定方法具有较高的精度和准确度，相对标准偏差小于3.0%；比较结果表明忽略空白实验将引入5.0%的系统误差。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。