硝酸镁

棉织物DP整理中硝酸镁催化剂系统的研究

Study on Magnesium Nitrate Catalyst System in DP Finishing of Cotton Fabrics

硝酸镁法生产浓硝酸的加热器改造

The reconstruction of heater in concentrated nitric acid production by magnesium nitrate method

本文对棉织物DP整理中以硝酸镁为主的催化剂系统进行了深入研究。

Deep study is carried out for the magnesium nitrate based catalyst system in DP finishing of cotton fabrics .

以硫酸铝、硝酸镁和硅溶胶为原料，采用溶胶-凝胶法，制得MAS先驱体粉末，XRD表明，该粉末经1300℃的热处理后，完全转变为堇青石。

MAS precursor powders are prepared using aluminium sulfate , colloidal silica , and magnesium nitrate as raw materials via sol-gel methods , DSC-TG and XRD show that the MAS precursor powders transform to cordierite completely at 1300 ℃ .

以硝酸铝和硝酸镁为主要原料，采用溶胶凝胶超临界干燥技术制备了纳米级MgO-Al2O3二元气凝胶。

The nano - sized MgO - Al2O3 binary aerogel was synthesized by sol - gel supercritical fluid drying technology using Al ( NO3 ) 3 and Mg ( NO3 ) 2 as the starting materials .

结果表明，利用这两种燃料都可实现纳米MgO颗粒的低温燃烧合成，但尿素-硝酸镁体系仅能形成溶胶，其燃烧形式为溶液燃烧，合成MgO颗粒的平均尺寸为47.4nm；

The result shows that nanocrystalline MgO powders can be prepared using the above two fuels . But urea-Mg ( NO3 ) 2 system only can form sol , so its burning way is solution combustion , and the size of the synthesized MgO powders is 47 . 4nm ;

硝酸钯加硝酸镁在测量铬、镉、锡时效果较好，且受硝酸影响小。

The palladium nitrate with magnesium is suitable for measurement of Cr , Cd , and Sn .

硝酸镁尾水在除盐水阳床再生中的应用

Application of magnesium nitrate tail water in the regeneration in cationic ion exchanger in demineralized water system

介绍了浓硝酸生产过程中硝酸镁溶液中杂质的危害及控制。

In the concentrated nitric acid production , the hazard and control of impurity in the magnesium nitrate solution are introduced .

讨论了硝酸镁溶液再生时所采用的两种方法：沉降法和压滤法。

Two kinds of methods for the regeneration of magnesium nitrate solution are discussed , which are precipitation method and filter-press method .

本文研究了用硝酸镁作为基体改进剂，石墨炉原子吸收法直接测定全血和尿中锰。

A simple , rapid and accurate method for the Determination of manganese in blood and urine samples by graphite furnace AAS has been developed .

本文采用镍－硝酸镁作基体改进剂，用石墨炉原子吸收法测定人红细胞膜结合硒，并对该方法进行了研究探索。

A method for determination of binding selenium in human red erythrocyte membrane with Ni and Mg ( NO_3 ) _2 as matrix modifier in graphite furnace AAS is described .

对报废氧化剂硝酸-20L分离再用技术进行了研究，确定了报废氧化剂的处理方法为硝酸镁精馏脱水法。

The separation and reuse techniques for rejected oxidant nitric acid 20L were studied . The distillation method with Mg ( NO3 ) 2 dehydration was fixed to deal with the rejected nitric acid 20L .

研究了土壤样品中痕量镉的石墨炉原子吸收分光光度法测定最佳条件以及磷酸二氢铵与硝酸镁作基体改进剂对测定镉的基体改进效应，并比较了两种试样分解体系。

The optimum conditions for graphite furnace atomic absorption spectrophotometric method of measuring trace Cadmium in soil samples are studied in the text , and the authors also study matrix modifier by using ammonium phosphate and magnesium nitrate as matrix modifier for the determination of Cadmium .