Analysis method of organic matters in trichloracetic aldehyde waste sulfuric acid
A technology of trichloroacetaldehyde and analysis method, which is applied in the field of analytical chemistry, can solve the problems of no analysis of trichloroacetic acid content, high sampling requirements, single determination, etc., and achieve the effect of rapid detection, high separation efficiency and accurate quantification
Inactive Publication Date: 2015-04-08
NANNING CHEMICAL INDUSTRY CO LTD
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Abstract
The invention discloses an analysis method of organic matters in trichloracetic aldehyde waste sulfuric acid. The analysis method comprises the following steps: firstly, extracting organic matters in the trichloracetic aldehyde waste sulfuric acid with nitrobenzene; carrying out gas chromatography quantitative analysis on the organic matters in the trichloracetic aldehyde waste sulfuric acid by virtue of a gas chromatograph and a hydrogen hydrogen flame ionization detector by adopting paraxylene as an internal standard substance under the condition that the chromatographic column temperature of the gas chromatograph is 100-200 DEG C and the flow rate of carrier gas is 1-3mL/min; and accurately detecting the content of the organic matters such as trichloracetic aldehyde, trichloroacetic acid, diethyl sulfate and ethyl trichloroacetate in the trichloracetic aldehyde waste sulfuric acid. The method disclosed by the invention is easy to operate, accurate to quantify, and rapid to detect; the quantitative result is irrelevant to the sample amount within the range that a chromatographic column does not overload; the content of the organic matters can be quantified as long as a detected substance and the internal standard substance are out of the peak and can be completely separated.
Application Domain
Component separation
Technology Topic
Chromatographic columnChloral +15
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