The International Textile and Leather Ecology Research and Testing Association has increased the limit requirement of tetraethyltin since 2017,which is easy to produce false positives according to the current domestic and foreign test standards.According to the chemical properties of tetraethyltin,the causes of false positive in the process of detection were deeply discussed,and two different methods were proposed to improve the accuracy of the test results effectively and avoid the interference of false positive on the results,so as to meet the needs of detection.
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