| abstract |
The invention discloses a method for detecting the content of N,N-dimethylformamide in solid waste. The solid waste is dispersed in an alkaline solution to obtain a mixed solution, the mixed solution is heated to obtain a dimethylamine solution, and the dimethylamine solution is detected. The content of middle dimethylamine is calculated according to the content of dimethylamine to obtain the content of N,N-dimethylformamide in the solid waste. By adopting the technical scheme of the present invention, N,N-dimethylformamide is heated and decomposed in an alkaline aqueous solution to decompose dimethylamine, and the N,N-dimethylformamide in the solid waste is obtained by indirectly measuring the content of dimethylamine. The content of methylformamide avoids the process of using a large amount of solvent extraction, which not only simplifies the test process, but also reduces the consumption of organic reagents and costs. |