Flame light filtration photometry

Japanese: 炎光濾光光度法 - えんこうろこうこうどほう
Flame light filtration photometry

...There are two methods of flame photometry: (1) spraying a liquid sample into a flame, selecting the wavelengths of light specific to each element from the resulting flame spectrum, and measuring the intensity electrically to perform quantitative analysis of the elements; and (2) placing a sample directly into the flame and observing the element with the naked eye or through cobalt glass, or using a simple direct viewing spectroscope to perform qualitative analysis of the elements (see the section on flame color reactions). In flame photometry, the method of using a spectroscope to select specific wavelengths of light is called flame spectrophotometry, and the method of using a filter is called flame filtration photometry or simply flame photometry (in the narrow sense). Flame filtration photometry is suitable for the rapid analysis of alkali metal elements and alkaline earth metal elements, but has difficulties in the analysis of other elements. ...

*Some of the terminology used in relation to "flame light filtration photometry" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…炎光分析の手法としては,(1)液状の試料を炎の中に噴霧し,このとき得られる炎光スペクトルの中から各元素に固有の波長の光を選び出し,その強度を電気的に測定して元素の定量分析を行う炎光光度法と,(2)試料を直接炎の中に入れて,肉眼あるいはコバルトガラスを通して観察したり,簡単な直視分光器を利用して元素の定性分析を行う方法(〈炎色反応〉の項参照)とがある。 炎光光度法において,特定の波長の光の選定に分光器を利用する方法を炎光分光光度法,フィルターを使用する方法を炎光濾光(ろこう)光度法または単に炎光光度法(狭義)という。炎光濾光光度法はアルカリ金属元素,アルカリ土類金属元素の迅速な分析に向いているが,他の元素の分析には難がある。…

※「炎光濾光光度法」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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