sodium dichromate

1. A new technology for preparation of basic chromium sulfate, using sugar as a reductive agent to sodium dichromate, was introduced.
   以***为原料，蔗糖为还原剂，制备了碱式硫酸铬。
2. A process of electrolytic synthesis of sodium dichromate from industrial sodium chromate solution is introduced.
   介绍了用离子膜电解槽电解工业铬酸钠溶液合成***的过程。
3. In order to resolve environmental pollution problems from the source in chrome salts production, it is urgent to explore a clean and efficient production technology of sodium dichromate.
   为从源头解决铬盐生产中环境污染的问题，亟需探索清洁高效的***生产技术。
4. It is shown that calcium carbonate can be decomposed in aqueous sodium dichromate solution and transformed to calcium chromate at ambient pressure and boiling temperature.
   介绍了一种制取铬酸钙的新方法，利用***溶液分解碳酸钙，可以得到高纯度的铬酸钙。
5. Discussion About Oslo Evaporator in Producing Sodium Dichromate
   对***生产中采用奥斯陆蒸发器的探讨
6. Chemical treatments, such as sodium dichromate solutions, may facilitate the more rapid formation of the passive film on a stainless steel surface already free of scale or foreign matter.
   化学处理，例如***溶液，可以促进无氧化膜和杂质不锈钢表面的钝化膜更快速度的生成。
7. The content of copper in iron vitriol dreg of yellow sodium is relatively high, so it interferes with the determination of iron in dreg by means of potassium dichromate method.
   黄钠铁矾渣中铜的含量较高，用重铬酸钾容量法来测定其中的铁时，干扰铁的测定，需预分离才能准确测量。
8. The reaction mechanism between citric acid and sodium dichromate, the structure of product chelate, and the performances of chromium-HPAM colloidal dispersion gel were studied.
   研究了柠檬酸与***的反应历程、生成螯合物的结构以及Cr3+HPAM胶态分散体冻胶的性能。
9. Chrome shavings are used as a reducing agent for sodium dichromate in the preparation of organic chrome-aluminum tanning agent.
   研究用革屑做还原剂还原***制备有机铬铝鞣剂。
10. The technologic process of utilizing chromic residue phosphate to produce sodium dichromate is introduced and the product technologic feasibility and marketing are discussed as well as its importance for environmental protection.
    介绍了回收利用磷酸铬渣生产***的工艺过程，并对其生产工艺的可行性和产品销售途径及其对环境保护的重要意义进行了简明阐述。
11. This paper deals with a method of successive determination of titanium and iron in V-Ti-magnetite by using neutral red and sodium diphenylamine sulfonate as an indicator and potassium dichromate as Standard solution.
    本文采用中性红和二苯胺磺酸钠作指示剂，以重铬酸钾标准溶液对钒钛磁铁矿中钛铁连测。
12. Determination of compound sodium lactate injection by potassium dichromate method
    复方乳酸钠注射液的重铬酸钾法测定
13. For the synthesis ofp-nitrobenzoic acid by means of micelles catalytic oxidation, sodium dichromate is used as oxidant, and the best catalyst is found to be dodecyl dimethyl benzyl ammonium bromide.
    考察了以***为氧化剂，胶束催化氧化合成对硝基苯甲酸的有关影响因素。
14. The process of sodium dichromate production and its pollution situation of waste water are introduced.
    介绍***生产的工艺流程、废水污染情况。
15. The paper discussed the possibility of using Oslo evaporator in the production of sodium dichromate.
    探讨了***生产中采用奥斯陆蒸发器的可行性。
16. Study on the preparation of sodium dichromate by electrolytic synthesis
    电解法制取***的研究
17. The polarization behaviour of lead has been studied in sulphuric acid solutions with various additions of sodium sulphate, cobalt sulphate, ammonium dichromate and phosphoric acid.
    LAB增强剂采用在带有硫酸钠，硫酸钴，重铬酸铵和磷酸的多种添加剂的硫酸溶液中，对铅蓄电池电极的特性进行研究。
18. The process for preparating chromium trioxide from sodium dichromate by reduction of ammonium salt is simple and the product has high quality and can be up to chemical regent grade.
    利用***铵盐还原法制备三氧化二铬，其工艺简单，产品质量高，可达化学试剂级。
19. Based on the properties, Valonia extract was used to reduce sodium dichromate for preparing a chrome-valonia tannin retanning agent in this experiment.
    利用这些性质，制备铬&橡椀复鞣剂。
20. The oxidation resistance of tinplate was improved by increasing the concentration of sodium dichromate, lowering the temperature of passivation and increasing the charge of passivation, which increased the thickness of passive film.
    通过提高钝化体系的***的浓度、降低钝化体系温度和提高钝化的电量，增加钝化膜的厚度，提高镀锡板抗氧化的能力。
21. The working voltages were experimentally measured on-line at different reaction times under conditions of different temperatures, different current densities, and different initial anolyte concentrations in the electrochemical synthesis process of sodium dichromate and chromic anhydride from sodium chromate and sodium dichromate, respectively.
    在线实验测得不同温度、不同电流密度、阳极液不同初始浓度时，铬酸钠电催化合成***和***电催化合成铬酸酐过程中不同反应时间下的工作电压。

noun

1. a red-orange salt used as a mordant

   Synonym:    sodium bichromate