炎光光度法による標準試薬ヨウ素酸カリウム中の微量ナトリウムの定量について
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概要
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Flame photometric determination of 0.001% Na in primary standard potassium iodate by applying the " Linear Extraporation Method " is reported.<BR>By reason of the working curve of Na in 1% KIO3 solution being linear up to 1 p.p.m. Na content and its background flat, the above method becomes applicable.<BR>Under the condition of oxygen pressure 13 psi, acetylene pressure 3.5 psi, slit width 0.02 mm, and by using Beckman DU flame photometer with photomultiplier, 0.001% Na in KIO<SUB>3</SUB> was determined with good precision. If sufficient care is taken to prevent the intrusion of Na, this method is more simple and more rapid as compared with the usual method.
- 社団法人 日本分光学会の論文