To establish coefficient multiplying ratio spectrophotometry for determination of pyramidon andcaffeinein naoning tablet .

建立脑宁片中氨基比林和咖啡因的系数倍率测定法。

Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.

核能.核燃料循环技术.分子吸收分法测定硝酸溶液中的镎Nuclear energy.

Methods Arseno-antimono-molybdenum blue spectrophotometry.

方法砷锑钼蓝分法。

Four methods for the determination of sodium gluconate are introduced,i.e.HPLC,spectrophotometry,nonaqueoustitration and polarimetry.

本文介绍了四种常用的葡萄糖酸钠检测方法:HPLC法、分法、滴定法和旋法。

The diphenyl-thiocarbazone extraction and spectrophotometry were developed for indirect determination of residual chlorine in water distribution system.

建立了采用双硫腙萃取法间接测定中余氯的新方法。

By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled，and boron was finally determined by curcumin spectrophotometry after distillation.

同时，对所拟溶样条件下所得硼的分析结果是否为全硼问题进行了进一步探讨，结果证实，所拟溶样条件下硼的测定结果为全硼。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分法，以40．0微克／毫升的甲羧除草醚己烷液为参比溶液，在波长280纳米处测定其含量。

In this paper,two methods for analyzing air sulphation rate were studied and compared.One was ion chromatography and the other was barium sulfate spectrophotometry.

本文主要用离子色谱法与改良硫酸钡比浊法对大气硫酸盐化速率进行分析。

Methods Infrared spectrophotometry with potassium bromide tabletting was adopted,in which the extract was carried out with the absolute alcohol as the solvent.

方法以无乙醇为溶剂进行提取,采用红外分法(溴化钾压片)进行定性鉴别。

The copper ion content is determined with direct spectrophotometry after the engine oil was incinerated,dissolved with acid and developed with Neocuproin-Hydroch lorid Monohydrat.

将机油灰化、酸溶解后,新亚铜灵显色、直接法测定铜离子含量,样品回收率在92。