The steel element analyzer belongs to the photoelectric colorimetric analysis instrument. Light is an electromagnetic wave with a certain wavelength or frequency. If the wavelength is in the range of 200-400 nm according to the wavelength or frequency, the light is called ultraviolet light; the human eye can feel the light. Electromagnetic waves with a wavelength between 400 and 760 nm are called visible light. White light is a mixture of light of various colors at a certain intensity ratio. If a beam of light passes through the prism and breaks down into seven colors of red, orange, yellow, green, cyan, blue, and purple. The light of each color has a certain wavelength range, the wavelength of the purple light is short, the wavelength of the red light is long, and light having only one wavelength is called monochromatic light. Many substances have a certain color. For example, the potassium permanganate solution is purple-red, the copper sulfate solution is blue, and the like. There are also many compounds that do not have their own color, but can form a characteristic color after adding appropriate reagents, such as the determination of manganese. If the nitric acid-silver nitrate solution is dissolved, it is light yellow, nearly colorless, after adding ammonium persulfate and the solution. The manganese element reacts to form a red compound. When the manganese element changes in the solution, the color of the solution also changes. The higher the manganese element, the darker the color, and the lighter the color. The steel element analyzer uses the colorimetric method to compare the color of an element. The colorimetric method is an analytical method based on measuring the selective absorption of light in a solution. It is widely used in the physical and chemical laboratory of the mechanical industry. The steel element analyzer uses a quantitative standard substance to measure its absorbance, and absorbs light by the same solution and the same ambient temperature. The higher the content, the higher the absorbance, the relationship between them is: standard content ÷ standard absorbance × sample absorbance = sample content. Concerned about surprises Tags: How Steel Element Analyzers Work Previous: Basic knowledge of glass-lined equipment Next: Analysis of advantages and disadvantages of electromagnetic flowmeter
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