您要查找的是不是：
- Fuse potassium dichromate (19) in a porcelain crucible. 在瓷坩埚中熔化重铬酸钾（19）。
- Potassium dichromate titration method was used for determining sodium lactate in compound sodium lactate injection. 用重铬酸钾法测定复方乳酸钠注射液中的乳酸钠，方法简便、速，准确。
- The determination of COD in wastewater by potassium dichromate colorimetric method was discussed. 对重铬酸钾比色法测定水中化学需氧量(COD)的方法进行了验证性研究。
- The conclusion of this study was that potassium dichromate has obvious teratogenic effect on Vicia faba root tip cells. 结论是重铬酸钾对蚕豆根尖细胞具有明显的致畸效应。
- It selects concentrated sulphuric acid hydrolysis, oxidation of potassium dichromate peanut shell in cellulose. 通过分析，选用浓硫酸水解，重铬酸钾氧化测定花生壳中纤维素；
- A method for the detemination of chlorine in potassium dichromate by ion selection election was studied. 研究了用离子选择性电极法测定红矾中的氯。
- Determination of high content of tellurium in anode mud and tellurium scraps by titrimetry with potassium dichromate is reported in this paper. 采用重铬酸钾容量法,测定铜铅阳极泥及碲回收物料中高含量碲。
- METHODS The recovery between the former redox process(potassium dichromate titration method) and this redox process were compared. 方法:以离子交换法作对照,进行改进前后氧化还原法的回收率比较研究。
- Results of organic mass spectrometry analysis of East Lake,Wuhan showed the applicability of potassium dichromate method in eutrophic waters. 根据东湖水样的有机质谱分析结果,重铬酸钾法测定富营养化水体的适用性在文中得到论证。
- This paper reports the chemical polymerization reaction of o methylaniline in aqueous HC1 solution when potassium dichromate is used as oxidizer. 报道了重铬酸钾作为氧化剂时，邻甲苯胺单体在酸性溶液中的聚合反应。
- To remove main disturbing ion,chlorine ion in the COD potassium dichromate reflux method,silver sulfate replaces mercury sulfate as a screening agent. 对COD重铬酸钾回流法中的主要干扰离子，氯化物的消除，选择了用硫酸银代替硫酸汞做掩蔽剂。
- Abstract: The method of determining of sodium chloride in the rock salt through potassium dichromate backtitration is studied. 中文摘要: 研究了采用重铬酸钾返滴定法测定岩盐中的氯化钠。
- The reaction conditions on oxidation of 2-methylpyridine to 2-pyridinecarboxylic acid by oxidation of potassium dichromate were studied. 研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成2-吡啶甲酸的反应条件。
- YANG Shujun. Simply and conveniently measure soil organic matter with potassium dichromate oxidation method[J]. Modern Agriculture, 1997(40: 23. 杨树钧.;用重铬酸钾氧化法简便快速测定土壤有机质含量[J]
- Copper and lead in Qingshuitang lead zinc ore were separated by floatation separation with ternary agent, its experiment index is higher than that with potassium dichromate. 用三元合剂对清水塘铅锌矿进行铜铅分离浮选,其试验指标比以前用重铬酸钾的试验指标高,药剂用量低,避免铬的污染,改善生产环
- Shanghai Experiment Reagent CO.,LTD.magnesium sulfate anhydrous, magnesium sulfate heptahydrate, sucrose, potassium dichromate, potassium ferricyanide, potassium ferrocyanide, ... 上海实验试剂有限公司;无水硫酸镁;无水乙醚;邻苯二甲酸氢钾等化学试剂;化工原料.
- Result:Data from these patients showed that top 10 allergens were as follows:fragrance mix,phenylenediamine base,potassium dichromate,resin, nickel sulfate. 结果:列前10位的常见致敏原分别是芳香混合物,对苯二胺、重铬酸钾、松香、硫酸镍。
- A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward. 提出了硝酸分解重铬酸钾法联产铬酸酐与硝酸钾的清洁工艺,并优选出过程中主要环节的合理操作条件。
- In view of the weaknesses of traditional chromating process such as heterogeneous color and red spots when exposed to the air, two-step-passivating process was adopted using potassium dichromate. 由于传统铬酸盐钝化工艺存在钝化膜色泽不均匀及红斑等缺陷,采用二步钝化工艺,消除了传统钝化工艺的缺点。
- Potassium dichromate was chosen as the pollutant with initial concentration of 100 mg/kg. A constant voltage gradient of 1 DCV/cm was applied and the experiment was operated for 48h. 选用重铬酸钾作为污染物,其最初浓度为100mg/kg,实验过程中施加1DCV/cm的恒定电压,运行48h。
