Flame Photometer

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The Flame Photometer is a scientific instrument used to measure low concentrations of sodium and potassium in solutions. The device was invented by Barnes, Richardson, Berry and Hood to conduct the above-mentioned task in a laboratory. It is mainly used in inorganic chemical analysis.

Flame photometer is used in flame photometry, which is in fact a controlled flame test wherein the intensity of the flame colour is quantified by photoelectric circuitry. The instrument is a cheap solution in comparison to that used in flame emission spectroscopy, where the emitted light is analysed with a monochromator. Its status is akin to that of colorimeter as opposed to spectrophotometer. Flame photometer also has the range of metals that could be analysed and the limit of detection is also taken into consideration.