The concentration of Cr2 O 72? , Cr3+ and Fe3+ was determined by redox titration, and Ni2+ by absorption spectrophotometry.
以单个离子分析方法为基础,通过对已知物质的量浓度的模拟着色液的多次分析试验,建立了不锈钢酸性化学着色液主要成分的分析方法:用氧化还原滴定法测定Cr2O72-、Cr3+、Fe3+的含量,用吸光光度法测定Ni2+的含量。
In the paper,according to the specific law of redox titration,using stoichiometric relation and Nernst formula in the chemical reactions.
根据氧化还原滴定的特殊规律,运用化学反应的计量关系和能斯特公式,给出了氧化还原滴定终点误差的简单计算公式。
The content of total iron in the pyrite cinder is determined by redox titration, complex titration and absorptionphotometry .
以氧化还原滴定法、络合滴定法及分光光度法对硫铁矿烧渣中全铁含量进行分析测定,对各种测定方法的特点进行了比较和评价。
The determination of industrial zinc sulphide content by redox titration method was introduced.
利用氧化还原滴定法测定工业硫化锌的含量,分析了影响硫化锌含量测定的因素,样品测定实验结果表明,该法样本合并标准偏差s_q=0。
A rapid and practical redox titration method for determination of vanadium in steel was proposed.
提出了一种快速的氧化还原滴定法测定钢铁中钒的实用方法。
Based on the principle of classical potassium dichromate oxidation-outer heating, a method for the determination of organic matters in soil samples by oxidation-reduction titration with furnace digestion was proposed.
沿用经典重铬酸钾氧化-外加热法的原理,建立了消解炉消解-氧化还原滴定法测定土壤样品中有机质的方法。
In the paper,universal calculation equation for gauging-point electric potential of oxidation-reduction titration reaction is discussed,testified and expressed exactly.
对氧化还原滴定反应计量点电势的通用计算公式进行了具体深入的探讨,对公式作了准确表述和具体证明。
In the paper following the change law of concentration and electric potential of different stage oxidation-reduction titration and appling the Nernst formula, it was discussed that the application of Ringbom error formula in symmetry donblet oxidation-reduction titration.
本文遵循氧化还原滴定各个阶段的浓度与电位变化规律,运用能斯特公式,探讨了能适用于氧化还原滴定中对称电对的林邦误差公式,具有便于记忆与应用等特点。
The determination of lead in zinc can of primary battery by means of oxidation reduction titration principle is discussed.
采用硝酸锶作凝聚剂的新方法 ,加入过量的重铬酸钾标准溶液 ,在 pH为 3～ 4的醋酸缓冲溶液中 ,使得溶液中的铅定量生成铬酸铅沉淀 ,剩余的重铬酸钾在不分离铬酸铅的条件下 ,提高溶液酸度 ,以N 苯代氨基苯甲酸作指示剂 ,直接用硫酸亚铁铵标准溶液氧化还原滴定测定铅。