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- strontium bichromate 重铬酸锶
- 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
- Barite usually contain strontium and calcium. 重晶石常含锶和钙。
- Strontium can avoid cancellous bone and cardiovascular disease. 锶:可防治骨质疏松和心血管病。
- STUDY ON SEPARATION AND PURIFICATION OF HIGH-PURITY STRONTIUM OXIDE. 高纯氧化锶的分离提纯研究。
- Weekly testing for ammonia, nitrite, nitrate, turbidity, iodide, and strontium. 每周测试氨氮,亚硝酸盐,硝酸盐氮,浊度,碘,锶。
- Strontium cobaltite, however, is hardly used in the environmental protection. 但目前对钴酸锶在环境保护中的应用研究甚少。
- PSMA promoted the formation of strontium oxalate dihydrate (SOD) phase. 实验发现, PSMA有助于促进二水草酸锶(SOD)的形成;
- Well, we'll ship the bichromate in steel drums and the chromic anhydride in oil cans. 嗯,我们会把重铬酸盐用钢桶装,而无水铬酸则用油罐装。
- Results:In the qualitative analysis,all qualitative methods but potassium bichromate method were satisfactory. 结果:定性分析中,除重铬酸钾显色法所得结果不十分理想外,其他各定性实验均令人满意。
- Refraction Microlens Array Made of Bichromate Gelatine by Enzyme Solution with Coding Gray-tone Mask[J]. 引用该论文 姚军;粟敬钦;高福华;高峰;郭永康;杜春雷;曾红军;丘传凯.
- The dark green tints in the south of Wales and the Gloucestershire area reflect high strontium values associated with evaporites. 位于南威尔士和格洛斯特郡地区的暗绿色反映了与蒸发岩有关的高锶值。
- The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 对重铬酸钾滴定过量硫酸亚铁返滴定法测定金合金中金的主要问题做了探讨和实验。
- Objective To observe the germicidal efficacy of compound potassium bichromate acid solution and its influencing factors. 目的观察重铬酸钾复合酸液杀菌作用及其影响因素。
- Usually, chromitan is prepared by reducing bichromate with reducers such as glucose, cane sugar,SO2 and other or-ganic matter. 铬鞣剂的制备可选用葡萄糖、蔗糖、SO2及其它有机物,将重铬酸钠中的六价铬还原而获得。
- The results show that the potassium bichromate plus nitric acid or glacial acetic acid has the best anti-corrosion effect. 采用硫化铵溶液进行防腐试验。结果表明,重铬酸钾加硝酸或冰醋酸的处理方法有很好的抗腐蚀效果。
- 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。
- The result shown that first chrome liquor is added is better than bichromate of potash, and the difference of leather in qulity is bigger. 研究发现,先加铬液或先加红矾,成革质量差异大,先加铬液优于先加红矾。
- 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。
- METHODS: Modified of determined results of the modified potassium bichromate method with that of the ion-exchange resins method( ch. 方法:以中国药典(995版)子交换法做对照,用改进重铬酸钾法测定复方乳酸钠注射液中乳酸钠含量。
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