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4 Test method
The reagents used in the test method are analytical reagents, and the water used is the tertiary water specified in GB/T6682
The preparations and products used in the test method shall be prepared in accordance with the provisions of GB/T603 when other requirements are not specified
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Using gas chromatography, under selected working conditions, the components in the sample are separated, detected by a thermal conductivity detector, and the purity of hexachloroethane is calculated by the calibration area normalization method
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Table 2 Chromatographic column and typical working conditions
Table 3 Retention time t R of each component
Table 4 Relative correction factor fi of each component
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3 Chromatographic data processor or recorder
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4 Micro sampler
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