Study on Determination of Total Tea Polyphenols in Green Tea Using Visible Spectrophotometry with Potassium Dichromate 重铬酸钾可见分光光度法测定绿茶中茶多酚总量的研究
Improvement on the method for Determination of Iron in Pyrites by Potassium Dichromate Titrimetry with Aluminium Tablet Reduction 六氰合铁(Ⅲ)酸钾铝片还原-重铬酸钾滴定法测定硫铁矿中铁的改进
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
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
We compared Potassium dichromate method with rapid determination method and found that rapid determination method had better accuracy and precision. 本文对重铬酸钾法与快速测定法测定化学需氧量进行比较,结果表明快速测定法准确度和精密度均较为理想。
In accordance with ferrous ammonium sulfate in water samples to calculate the amount of material to restore the volume of oxygen consumption, which was potassium dichromate titration reflux. 根据硫酸亚铁铵的用量算出水样还原性物质消耗氧的量,这就是重铬酸钾回流滴定法。
Determination of metallic iron in direct reduced iron by potassium dichromate titration after decomposition of sample by ferric chloride 三氯化铁分解重铬酸钾滴定法测定直接还原铁中金属铁
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 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
Compare of Potassium Dichromate Method and Rapid Determination Method in COD Determining 重铬酸钾法与快速测定法测定化学需氧量的比较
Analysis about inexactness in determination of total iron in iron ore with potassium dichromate titrimetric method 重铬酸钾滴定法测定铁矿石中全铁的不确定度分析
It is studied the evaluating process and method for inexactness in determination of total iron in iron ore with potassium dichromate titrimetric method. 对重铬酸钾滴定法测定铁矿石中全铁的不确定度的评定过程、评定方法进行了研究。
Study and inspection on an express determination method chemical oxygen demand by potassium dichromate 重铬酸钾快速测定化学耗氧量方法研究与检验
Study of copper reduction& potassium dichromate titration measuring total iron 金属铜还原-重铬酸钾滴定法测定总铁的研究
The united inhibitory method using silver nitrate and bismuth nitrate may replace the mercuric sulfate in standard potassium dichromate method for the determination of chemical oxygen demand avoid mercuric pollution to environment, Using the new method, We determined various water samples. 采用硝酸银和硝酸铋联合掩蔽剂可以取代标准重铬酸钾法测定(COD)中使用的硫酸汞,从而避免汞对环境的污染,并使用这种新方法测定了多种类型的水样。
Study on mechanism of liver toxicity of mixture of nickel sulfate, potassium dichromate and cobalt chloride in mice 镍铬钴混合物对小鼠肝脏毒作用机制的研究氯化铬和重铬酸钾毒性的比较研究
The treatment of wastewater containing potassium dichromate by TiO2/ WO3 is studied. 采用复相光催化剂TiO2/WO3对含重铬酸钾的废水进行处理。
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。
The Cu-Zn-Al shape memory alloy was passivated by a potassium dichromate method. 采用重铬酸钾法对Cu-Zn-Al形状记忆合金进行钝化。
Surface composition and structure of amorphous superfine Fe-Ni-B powders processed by potassium dichromate and tannic acid have been investigated by XPS and TEM etc. 本文对FeNiB超细非晶粉表面加以单宁酸和重铬酸钾处理,并采用了XPS和TEM等对处理后超细粉的表面组成和结构进行了分析。
A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward. Also, the reasonable technological conditions of some important operation units in the procedure are selected. 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。
A Study on the Reacting Product of Potassium Dichromate and Silver Nitrate in Water Solution 水溶液中重铬酸钾与硝酸银反应产物的研究
The surface composition and structure of the Fe-Ni-B amorphous nanometer particles processed by means of potassium dichromate and tannic acid have been investigated using the techniques of XPS and TEM etc. 对Fe-Ni-B非晶纳米粒子表面施加了单宁酸和重铬酸钾处理后,采用X射线光电子能谱和透射电子显微镜等技术对处理后粒子的表面组成和结构进行了分析。
To control the content of the poisonous ion in the analytical chemistry experiment, in this paper, the study about the method of potassium permanganate, potassium dichromate, iodine measure and acid-basic titration was done, which was started with the reactant content reduced. 为控制分析化学实验废液中有害离子含量,本文从降低反应物浓度入手,对高锰酸钾,重铬酸钾,碘量法,酸碱滴定等方法进行了研究。
The analytical results obtained by potassium dichromate oxidation method, microwave digestion method and this method have no significant difference. 通过与重铬酸钾氧化法和微波消化法测量结果的比较发现,3种方法的分析结果无明显差异,测量结果是仪器法好于微波消化法,微波消化法好于重铬酸钾氧化法。
The effects of ClO~-_4 on measurement of chemical oxygen demand ( COD) of water were studied by comparison of potassium dichromate method and potassium permanganate method. 采用重铬酸钾法与高锰酸盐指数碱性法对水中化学需氧量(COD)进行了对比测定研究,考察了氯离子浓度对化学需氧量测定结果的影响。
Study on Teratogenic Effect of Potassium Dichromate on Vicia faba Root Tip Cells 重铬酸钾对蚕豆根尖细胞致畸效应的研究
With potassium dichromate as the Cr(ⅵ) source, the detoxification of Cr(ⅵ) by rice hull biomass incorporated with microwave irradiation was used. 以稻壳和重铬酸钾为研究对象,通过微波辐射作用,研究生物质对Cr(Ⅵ)的解毒行为,探索微波/生物质解毒Cr(Ⅵ)的实验条件。