吸附指示剂

吸附指示剂法快速测定芒硝中三氧化硫

The Adsorption Indicator Method to Determine Rapidly Sulfur Trioxide in Salt Cake

用吸附指示剂正丁胺滴定法测定了催化剂的酸量。

The acidic concentration of the catalyst was titrated by butylamine with the method of adsorption of coloured indicator .

本文以茜素红&S为吸附指示剂，醋酸调节pH2.6～2.9，用氯化钡标准溶液直接滴定硫酸钠含量。

A determination is reported for the direct titration of sodium sulfate with absorbing alizarin red-S and pH2.6-2.9 adjusted by HAc solution .

本文采用吸附富集指示剂的方法，从而提高了检测管灵敏度，该方法具有简便、快捷、采样体积小、响应时间短、便于携带和灵敏度高的优点，是一种定性和半定量的检测方法。

In this paper , applying the method of adsorption and enrichment indicator , and enhancing the sensitivity of the test tube . The method is simple , rapid , small sample volume , short response time and high sensitivity , and it is a qualitative and semi-quantitative detection method .

通过样品在溶液中对正丁胺的吸附等温线和吸附指示剂法，测定了一系列MoO3/γ-Al2O3和MoO3/SiO2样品的表面酸性。

The surface acidity of a series of MoO3 / γ - Al2O3 and MoO3 / SiO2 was determined by the adsorption isotherms of n-butylamine on the samples in solution and by means of Hammett indicators .

通过对FIA法测定液体石油产品族组成分析中所用的原材料如硅胶、吸附柱、荧光指示剂等的质量进行分析，指出了其对分析结果的影响；

The quality of such raw material as silica gel , absorption column , fluorescent indicator when testing liquid petroleum products group with FIA is analyzed and the its effect on the analysis result is indicated .