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滴定溶液

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Add 5 ml freshly prepared starch solution and titrate excess thiosulfate with 0.00359 N KIO3 from 10-ml buret graduated in 0.05-ml increments.

加入5ml新配制的淀粉溶液,使用0.05-ml刻度的10ml 棕色滴定管以0.00359 N KIO3滴定过量的硫代硫酸盐。

In the case of a colorless solution that is titrated directly, the endpoint may be observed visually as a change in color from canary yellow to amber.

当直接滴定无色溶液时,可以在视觉上观察到从淡黄色到红棕色的颜色改变。

The total iron in iron ore was titrated by potassium permanganate standard solution with sodium diphenylamine sulfonate as indicator.

用HNO3-HF处理,硫-磷混酸溶解试样,在盐酸介质中,用二氯化锡-三氯化钛将Fe(上标 3+)还原为Fe(上标 2+),以二苯胺磺酸钠为指示剂,以高锰酸钾标准溶液滴定铁矿石中的全铁量。

In the presence of the combination of sulphuric and phosphoric acid, with sodium diphenylamine sulfonate as the indicator, standard solution of potassium dichromate was used to titrate total iron value.

试样以盐酸溶解后,在酸性介质中,先以氯化亚锡将三价铁大部分还原为二价,然后在钨酸钠指示下,再以三氯化钛将剩余的三价铁还原为二价,过量的三氯化钛以重铬酸钾氧化消除干扰,在硫磷混合酸存在下,以二苯胺磺酸钠为指示剂,用重铬酸钾标准溶液滴定全铁量。

The methods of chemical analysis often used for commodity inspection involve titrimetry- quantitative methods using solution chemistry to determine the concentration of analyze, and gravimetry.

常用于商品检验的化学分析方法包括滴定法一用溶液化学来测定分析物浓度的定量分析方法,以及重量法。

All of the methods,published by Guyot,Greeff,Fairchild andVisintin proposed for the determination of fluorine using ferric solutionas standard,are based on th...

本法用硝酸铁为标准液,水杨酸钠作指示剂,在 pH=3左右作滴定;当溶液呈橙黄色时,加入适量的乙醇,使其浓度在终点时仍不低于50%。

All of the methods,published by Guyot,Greeff,Fairchild andVisintin proposed for the determination of fluorine using ferric solutionas standard,are based on the r...

本法用硝酸铁为标准液,水杨酸钠作指示剂,在 pH=3左右作滴定;当溶液呈橙黄色时,加入适量的乙醇,使其浓度在终点时仍不低于50%。

All of the methods,published by Guyot,Greeff,Fairchild andVisintin proposed for the determination of fluorine using ferric solutionas standard,are based on the reac...

本法用硝酸铁为标准液,水杨酸钠作指示剂,在 pH=3左右作滴定;当溶液呈橙黄色时,加入适量的乙醇,使其浓度在终点时仍不低于50%。

The potentiometric titration is implemented with lead nitrate standard solution.

在乙醇体系中,用硝酸铅标准溶液进行电位滴定,用二阶微分法分别确定全磷和硫酸根耗用硝酸铅的总体积,以及全磷耗用硝酸铅的体积。

Using PAN as indicator and CuSO4 as indirect titrant the aluminium content is determined.

用氢氧化钠溶液溶解样品的同时将铁与铝分离,加入过量的EDTA与铝络合,以PAN为指示剂,用硫酸铜标准溶液间接滴定法测定铝。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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