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(一)前言 钠盐的测定,目前国内外多用火焰光度和原子吸收分光度等仪器直接测定总钠量,若分别测定其中某种钠盐含量,尚需繁杂的分离,给测定带来困难。 渡口钒渣试验,既要测总钠量,又要分测其中的氯化钠、碳酸钠和游离氧化钠。为了克服用原子吸收等仪器测定的许多麻烦,本试验采用直接分测上述钠盐的相应阴离子——Cl~-,CO_3~(2-),OH~-,然后换算成相应钠盐的方法,取得了较好的效果。
(I) Preface The determination of sodium salt, the current domestic and international multi-purpose flame photometry and atomic absorption spectrometry direct determination of total sodium, if were measured in which a sodium content, still need complicated separation, to the determination of the difficulties. Ferrier vanadium slag test, it is necessary to test the total amount of sodium, but also points to measure the sodium chloride, sodium carbonate and free sodium oxide. In order to overcome many troublesome problems such as atomic absorption spectrometry, we used the method of directly measuring the corresponding anions --Cl ~ -, CO_3 ~ (2 -), OH ~ - of the above sodium salt and then converting into the corresponding sodium salts. Achieved good results.