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Application of UV-Vis Spectrophotometer in Industry

Abstract: 本文介绍了紫外可见分光光度计在多个行业中的应用。该技术在食品工业中用于检测肉类、乳制品、果汁、蜂蜜和酒类等产品中的成分,如亚硝酸盐、柠檬酸、羟甲基糠醛等;在水处理和环境质量控制中,应用于监测水中及土壤中的污染物如氰化物、磷酸盐和硝酸盐等。在材料行业,该技术用于检测氧化铝中的二氧化硅含量;在纺织工业中,则用于分析纺织品及其金属配件中的重金属元素。紫外可见分光光度计因其广泛的适用性和精确性,已成为多个领域中必不可少的检测工具。

food industry

If we focus on the food sector, we can find a wide range of applications for this technology. UV-Vis Spectrophotometer s are often used to control the quality of food by its hydroxyproline, starch or nitrite content in meat and meat products; lactose in food and alcoholic beverages; or furanosides in milk.

Additionally, the technology can be used to control trimethylamine, histamine, domoic acid or phosphorus in fisheries and aquaculture products. Also, the device is commonly used to measure citric acid, phosphorus, L-malic acid, D-isocitric acid, glucose, fructose, and sucrose in fruit juices.

Likewise, in honey and bee products, hydroxymethylfurfural (HMF) can be measured using this technique.

UV-Vis Spectrophotometer s are also used to determine volatile acidity, sulfur dioxide, acetic acid, L-malic acid, tartaric acid, D-gluconic acid or the intensity of color and hue in wine.

In the olive industry, this technique is used to determine the so-called olive oil K-factor, which measures the extinction coefficient of fats and is directly related to the quality of the oil.

As such, in animal feed, UV-Vis spectrophotometry is used to detect urea or nitrite in feed. 

Water Control and Treatment

In addition, public health entities and companies responsible for water control and treatment use UV-Vis Spectrophotometer s, among others, to detect anionic detergents, cyanide, ammonium, nitrite, chromium, or residual chlorine in drinking and bottled water.

Environmental Quality Control

On the other hand, the use of this technique to control environmental quality is often tested in entities and laboratories to determine, for example, biochemical oxygen demand (COD), formaldehyde, anionic surfactants, phosphorus, phosphate, nitrite, nitrate , nitrogen, ammonium, chromium, phenols or sulfides in inland waters. It is also commonly used to measure the levels of these compounds and chemical elements in wastewater and seawater; or to determine the Kjeldahl nitrogen content in soil, sediment and sludge.

Materials industry

But the use of UV-vis Spectrophotometer s touches many more industries, so it is also possible to find applications for this technology in the materials industry. For example, a typical test for alumina and hydroxide is the determination of silica by UV-vis spectrophotometry.

textile industry

Other tests are carried out in the textile industry, some of which are for example the following: Textile materials and textile articles, metal fittings for textile clothing, Cr(VI) in paints, coatings and metal fittings for textile clothing by UV/VIS spectrophotometry Coated surfaces for laminating fabric or plastic materials.

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