这种变化虽然不同于碱滴定酸时石蕊由红到蓝的突然转变,但也相差不远了。
It was not quite the sudden shift from litmus red to blue of an acid being neutralised by an alkali, but it was not far off.
本文介绍一种简单、方便、快捷的测定胶体硅微粒比表面积、粒径的方法——碱滴定法,适合工厂及研究中使用。
The measure method of specific surface area and microparticle diameter of colloidal silica by titration with sodium hydroxide was introduced in this paper, which is a simple method.
建立了一种酸碱滴定法有效的生物碱定量测定方法,并比较测定了花椒的两个品种花椒和青花椒中生物碱的含量。
A method was established to detect the alkaloids from Zanthoxylum. Comparison of the con - cent of two different variety Zanthoxylum alkaloids was studied by acid - base titration.
论述了废旧腈纶毛线在常压碱法水解条件下,采用酸碱滴定分析方法测定氰基转化率,讨论了反应时间、温度、投料比等因素对水解反应的影响。
The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.
用乙酸的乙醇溶液滴定溶液的碱浓度。
Titrate the mixed solution with ethanol solution of acetic acid.
采用高氯酸非水滴定法分析废碱液中的甲酸钠,代替了误差较大的高锰酸钾法。
Sodium formate from waste alkali liquor was analyzed by perchloric acid nonaqueous titration instead of potassium permanganate method, which caused larger deviation.
目的比较滴定法和紫外分光光度(U V)法在测定附子总生物碱中差异,探讨适宜附子总生物碱的含量测定方法。
Objective To analyze the differences in the determination of total alkaloids from Radix Aconiti Lateralis Preparata by Titration and UV, and investigate the suitable determination method.
并根据公式对弱酸(碱)滴定突跃范围的影响因素进行探讨。
The influencing factors for the jumping range of weak acid(base) titration were discussed by the formulas.
操作碱式滴定管是用拇指和食指。
The basic buret is usually operated bY thumb and forefinger.
用示波极谱滴定法测定有机碱盐酸盐类药物,快速、准确,易检测出最终结果,节省药品。
The Determination method of organic basis of hydrochloride by oscillopolarographic titration is quick, exact, easy to observe the final result and can save materials.
用非水电位滴定法和元素分析法测出了减渣及其各个组分的酸值、强碱氮含量、弱碱氮含量和非碱氮含量。
The strongly basic, weakly basic and non-basic nitrogen contents and acid values of the residues and their fractions were determined with non-aqueous potentiometric titrations and elementary analysis.
在本论文的实验中,利用强酸滴定混合碱法获得了环烷酸钾的滴定曲线,并据此确定环烷酸是一元弱酸;
In this paper, the titration curve of potassium naphthenate is acquired by using strong acid for titrating mixed base.
目前山莨菪碱的质控方法有高氯醚滴定法和酸性染料比色法,二者在灵敏度和选择性方面都存在不足。
The currently used quality control methods for anisodamine are perchloric titrimetry and colorimetry. They are insufficient in sensitivity and selectivity.
目前山莨菪碱的质控方法有高氯醚滴定法和酸性染料比色法,二者在灵敏度和选择性方面都存在不足。
The currently used quality control methods for anisodamine are perchloric titrimetry and colorimetry. They are insufficient in sensitivity and selectivity.
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