Synthesis of 2-pyridinecarboxylic acid by oxidation of potassium dichromate;
重铬酸钾氧化法合成2-吡啶甲酸的研究
Determination of purity of potassium dichromate by Coulometric Titrimetry;
库仑滴定法测定重铬酸钾试剂的纯度
Study of DNA damage induced by potassium dichromate and glutathione with atomic force microscope;
重铬酸钾和谷胱甘肽作用致小牛胸腺DNA损伤的原子力显微镜研究
Study on the Opening and Surface Treatment of CNTs with K_2Cr_2O_7;
重铬酸钾用于碳纳米管开口及表面处理的研究
TOSICITY OF K_2Cr_2O_7 TO GERIODAPHNIA QUADRANGULA(O.F.MULLER);
重铬酸钾对方形网纹瑵的毒性研究
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。
In terms of the reductibility of phosphorous acid,the phosphorous acid was oxidized with potassium bichromate in sulfuric acid.
根据亚磷酸根具有还原性,设计在硫酸介质中,用重铬酸钾溶液氧化亚磷酸根,过量的重铬酸钾用硫酸亚铁铵反滴定,1,10-菲绕啉作为指示剂确定滴定终点。
The comparison of monitoring COD in water with rapid monitoring method and potassium dichromate method is finished.
比较了快速测定法与国家标准方法重铬酸钾法(GB11914-89)测定化学需氧量。
Based on the operation and management experience of on-line COD_(Cr) analyzer,several suggestions are put forward,including replacing ferrous ammonium sulfate by potassium hydrogen phthalate as range-measured solution,replacing zero offset by beginning offset,and inspecting the compatibility of analyzer to water quality when the potassium dichromate method is not used.
根据水质CODCr在线分析仪运行管理工作的经验,提出以邻苯二甲酸氢钾代替硫酸亚铁铵作为量程测定液,以始点漂移代替零点漂移,以及对于非重铬酸钾法测定CODCr仪器检验,要考察其对水质的适应性的几点建议。
the improved method had advantages of fewer quantity of acid,less heating time and low cost over the potassium dichromate method of national standard.
废水中化学耗氧量的测定 ,国标用重铬酸钾法 ,该方法不仅酸介质用量大 ,而且需 2h加热。
Direct Determination of COD_(Cr) by K_2Cr_2O_7 Depigmentation and Cr_2(SO_4)_3 Spectrophotomety
重铬酸钾褪色法和硫酸铬显色法直接测定COD_(Cr)
Golgi's osmiobichromate solution
高尔基氏锇酸重铬酸钾溶液
Chemical reagent--Potassium dichromate
GB/T642-1986化学试剂重铬酸钾
Working chemical-Potassium dichromate
GB1259-1989工作基准试剂(容量)重铬酸钾
Primary chemical-Potassium dichromate
GB10731-1989第一基准试剂(容量)重铬酸钾
Fuse polassium dichromate (19) in a porcelain crucible.
熔重铬酸钾（19）在瓷坩埚中。
Fuse potassium dichromate (19) in a porcelain crucible.
在瓷坩埚中熔化重铬酸钾（19）。
Determination of COD in Wastewater by Potassium Dichromate Colorimetric Method
重铬酸钾比色法测定水中化学需氧量
Indirectly Determination of Hydrogen Peroxide Content by Using Potassium Dichromate;
间接重铬酸钾法测定过氧化氢的含量
Elimination of Interference on COD Measurement by K_2Cr_2O_7 Method
重铬酸钾法测定COD中的干扰及消除
Liquid-Phase Oxidation of Alcohols with Mg-Al Hydrotalcite-Supported Cr_2O_7~(2-) in the Presence of Molecular Oxygen;
镁铝水滑石固载重铬酸钾液相活化氧气氧化醇
Improvement in the Method of Determination of Iron in Ironstone by Potassium Dichromate;
“重铬酸钾法测定铁矿石中铁的含量”实验的改进
The Microscale Experiment of the Preparation of Potassium Dichromate by the Oxidant Method of Alkali Fusion;
固体碱熔氧化法制备重铬酸钾的微型实验
Determination of Iron Content in Dy-Fe Alloy with the Potassium Dichromate Volumetric Method
重铬酸钾容量法测定镝铁合金中的铁量
Effects of Potassium Dichromate(K_2Cr_2O_7) on the Mitosis of Root Tip Cells of Garlic
重铬酸钾对大蒜根尖细胞有丝分裂的影响
The Uncertainty Analyze of Determination of the Chemical Oxygen Demand in Water by Potassium Dichromate Method
重铬酸钾法测定水中COD的不确定度分析
Effect of Potassium dichromate exposure on hMGMT protein expression in human lung adenocarcinoma A549 cell line
重铬酸钾对人肺腺癌A549细胞hMGMT蛋白表达的影响
Determination of BaCo3 in cathode carbonate by dichromate iodimetry
GB/T10304.2-1988阴极碳酸盐中碳酸钡含量的测定重铬酸钾碘量滴定法