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- The determination of chloride in industrial strontium carbonate by turbidimetry with spectrophotometer is described. 采用目视比浊法测定工业碳酸锶中的氯化物,若溶液有色,准确定量非常困难。
- The determining method for the total sulphur in the industrial strontium carbonate is studied in this paper. 本方法研究了工业碳酸锶中总硫的测定。
- The resource status of celestite in China is introduced.The main uses,technology,capacity,quality and price of the industrial strontium carbonate in China are analyzed. 介绍了中国天青石资源现状,对中国工业碳酸锶主要用途、生产技术、生产能力、产品质量及产品价格状况进行了分析。
- Using industrial strontium carbonate as raw materials,ammonium bichomte removed barium,ammonium bicarbonate carbureted,the authors prepare the strontium carbonate(AR).Its content is morethan 99.5%. 以工业碳酸锶为原料制得氯化锶;采用重铬酸铵除钡;经碳酸氢铵碳化.;可得到含量为99
- industrial strontium carbonate 工业碳酸锶
- STUDY ON PREPARATION OF STRONTIUM HYDROXIDE AND SODIUM NITRATE FROM WASTE STRONTIUM CARBONATE. 废碳酸锶制备八水氢氧化锶联产硝酸钠研究。
- Reduction-metathesis method for preparation of strontium carbonate from celestite is developed. 提出还原-复分解法制备碳酸锶的新工艺。
- The preparations of ultrafine strontium carbonate particles with various shapes were reviewed. 摘要对目前国内外不同形貌超细碳酸锶粒子的制备情况做了简要的综述。
- The process,using strontium nitrate and ammonium bicarbonate as raw materials to develop and produce high purity strontium carbonate is introduced. 介绍了以硝酸锶和碳酸氢铵为原料,研制生产高纯碳酸锶的工艺过程。
- Using industrial strontium nitrate as raw materials,ammoni-um bichromate removed barium,oxydation removed sulphide,the authorprepares the strontium nitrate(AR). 以工业硝酸锶为原料;采用重铬酸铵除钡;氧化除硫;可得到含量大于99.;8%25的硝酸锶
- The effects of the concentration of PSMA on the morphologies and phase structures of strontium carbonate particles were investigated and discussed. 结果显示随着PSMA浓度的变化,可以分别得到束状放射颗粒、哑铃状颗粒,不规则球形颗粒以及完整的球形颗粒。
- The principle and process conditions for the production of high purity strontium carbonate from celestite by catalytic converting method are studied. 采用湿法由天青石制备粗碳酸锶,粗碳酸锶经过过滤、酸溶、净化等过程制得高纯碳酸锶。
- Especially,the effect while adding EDTA and cerium nitrate to prepare rodlike and linear strontium carbonate particles respectively was the best. 其中添加乙二胺四乙酸(EDTA)与硝酸铈时分别制备出的线状与棒状碳酸锶粒子效果最好。
- The technology and mechanism of solution chemistry of preparation of strontium carbonate by double decomposition from celestite concentrate were investigated. 研究了天青石精矿复分解法制备碳酸锶的工艺及溶液化学作用机理。
- XIE Yong-fu,GAO Rui-hua.Preparation of strontium carbonate with celestite and salvolatile by double decomposition[J].Jiansu Chemical Industry,1995,23(2):15-17. [5]谢永福;高瑞华.;用碳酸铵和天青石复分解制碳酸锶[J]
- The waste gas and water produced in the process of making strontium carbonate can be used to make S、(NH_2)_2CS、(NH_4)HCO_3,etc.The way of the comprehensive utilization is introduced in the paper. 介绍了利用碳酸锶生产过程中产生的废气、废水制取硫磺、硫脲、碳酸氢铵等的综合利用方法和途径。
- This article introduces the present situa-tion of strontium carbonate resources and production inchina.It also puts forward some suggestions agaist theexisting problems in current strontium industry. 阐述了我国碳酸锶工业的资源及生产现状,并对当前锶行业中存在的问题,提出了发展建议。
- The results indicated that rodlike and linear superfine strontium carbonate particles were prepared respectively by adding different crystal shape controlling agents with proper quantity. 结果表明:分别添加适量晶形控制剂,制备出了棒状、线状的超细碳酸锶粒子。
- a mineral consisting of strontium carbonate. 一种由碳酸锶组成的矿物。
- England is an advanced industrial country. 英国是一个发达的工业国家。