Method for detecting benzoic acid in coal biodegradation product

Method for detecting benzoic acid in coal biodegradation product

The invention discloses a method for detecting benzoic acid in a coal biodegradation product, and belongs to the technical field of detection of coal biodegradation products. The problems that an existing benzoic acid detection method is complex in process and high in cost are solved. An ultraviolet...

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Hauptverfasser: LIU JIAN, REN HENGXING, GUO XIN, YUAN XUEFANG
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator LIU JIAN
REN HENGXING
GUO XIN
YUAN XUEFANG
description The invention discloses a method for detecting benzoic acid in a coal biodegradation product, and belongs to the technical field of detection of coal biodegradation products. The problems that an existing benzoic acid detection method is complex in process and high in cost are solved. An ultraviolet spectrophotometer is utilized for conducting full-wavelength scanning on 0.1 g/L standard benzoic acid solution, and the maximum absorption wavelength of benzoic acid is determined as 225 nm. A benzoic acid standard curve is established, the r value is larger than 0.999, and the optimal detection concentration range of benzoic acid is determined to be 0.0003-0.04 g/L according to the change of the r value. Meanwhile, a coal biodegradation fermentation liquid sample treatment method is defined.Compared with gas chromatography, high performance liquid chromatography, thin layer chromatography and other national standard detection methods, the method for detecting benzoic acid in the microbial degradation product is
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Method for detecting benzoic acid in coal biodegradation product
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