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- plumbous bichromate 重铬酸铅
- The yield of anhydrous plumbous acetate is also very high. 该方法操作简便,反应时间短,得到的无水醋酸铅的收率也较高。
- 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。
- The company has own resources, another our company has one site of plumbous zinc ore in Wuxuan of Guangxi. 公司拥有自有矿山资源，另我司在广西武宣拥有铅锌矿一处。
- 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 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。
- 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。
- 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。
- The paper introduces a new method for the preparation of anhydrous plumbous acetate in the laboratory which is very convenient and saves time. 以甲苯为脱水剂,制备无水醋酸铅实验室制法。
- 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（1995版）离子交换法做对照，用改进重铬酸钾法测定复方乳酸钠注射液中乳酸钠含量。
- A kind of chromium gel system of retarded crosslinking made of partially hydrolyzed polyacrylamide(HPAM), sodium bichromate and organic reductant sulfocarbamide was investigated. 缓交联铬冻胶体系由部分水解聚丙烯酰胺、重铬酸钠与有机还原剂硫脲组成。
- Abstract: The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 摘要：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。
- Traditional phosphating solutions usually contain sodium nitrite, potassium bichromate, sodium fluoride and nickel nitrate which are detrimental to human body and environment. 常规磷化液中通常含有亚硝酸钠、重铬酸钾、氟化钠或硝酸镍等对人体和环境有害的物质。
- 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
- It realizes multimode intelligent control with combination of open-loop and closed-loop in the rotary kiln, a main plant for pro duction of Sodium Bichromate. 此微机控制系统使得工况稳定、产品质量提高并且降低能耗,取得明显的经济效果。
- Waste oxalic acid slime produces which with the production oxalic acid,which mainly contained steps of conversion by heating,dissolving in nitric acid and combination with sodium bichromate. 用生产草酸产生的废草酸泥渣,通过采用以加热转化,硝酸溶解提取,重铬酸钠合成为主要步骤的制备新工艺,用草酸泥渣制得了铬酸铅。
