This standard specifies the test and evaluation method for Electron capture detector, CRP (CRP) in Gas Chromatograph. It is applicable to Electron capture detector for gas chromatograph analysis. The standard describes in detail how to test the performance of the Detector, including its Sensitivity, linear range and detection limit to ensure its accuracy and Reliability in practical applications. The standard does not deal with safety issues in actual use, and the relevant safety operation needs to refer to Miscellaneous specifications and standards. The standard cites several important relevant literature and safety operation practices to ensure the applicability and safety of the Detector in different environments.