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The determination of phosphorus, arsenic, silicon and germanium are examples of the use of heteropoly-molybdenum blue in analytical chemistry. The following example describes the determination of phosphorus. A sample containing the phosphate is mixed with an acid solution of Mo VI, for example ammonium molybdate, to produce PMo 12 O 3−
It is commonly used in the determination of phosphate ion content. [1] [2] The reagent used is ammonium molybdovanadate with the addition of 70% perchloric acid (sulfuric acid is also known to be used). [citation needed] It is used for purposes such as the analysis of wine, canned fruits and other fruit-based products such as jams and syrups ...
Flame photometer FP8800 for simultaneous determination of up to 4 alkali and alkali earth element concentrations in aqueous samples. Courtesy of A.KRÜSS Optronic. Flame photometry is a type of atomic emission spectroscopy. It is also known as flame emission spectroscopy.
The reaction product then flows through a detector. Most often, the detector is a spectrophotometer as the reactions usually produce a colored product. One can then determine the amount of an unknown material in the sample as it is proportional to the absorption spectrum given by the spectrophotometer. After moving through the detector, the ...
In physics, atomic spectroscopy is the study of the electromagnetic radiation absorbed and emitted by atoms.Since unique elements have unique emission spectra, atomic spectroscopy is applied for determination of elemental compositions.
This method for phosphate determination is known as Denigés' method. [1] [2] [3] Qualitative method.
Spectrophotometry is a branch of electromagnetic spectroscopy concerned with the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. [2] Spectrophotometry uses photometers , known as spectrophotometers, that can measure the intensity of a light beam at different wavelengths.
It is also fast becoming the analytical method of choice for the determination of nutrient levels in agricultural soils. This information is then used to calculate the amount of fertiliser required to maximise crop yield and quality. ICP-AES is used for motor oil analysis. Analyzing used motor oil reveals a great deal about how the engine is ...