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Appendix B
Chromatographic operating conditions and spectra of cyclohexylamine , aniline and dicyclohexylamine
(Prompt appendix)
B1 Choose appropriate chromatographic operating conditions according to the requirements of this standard
Oven temperature: 125℃;
Detection temperature: 250℃;
Vaporization temperature: 250℃;
Carrier gas ( nitrogen ) flow rate: 25mL/min;
Combustion gas ( hydrogen ) flow rate: 30mL/min;
Support gas (air) flow rate: 400mL/min;
Injection volume: 0.
Quantitative method: area normalization method;
Resolution: 1.
B2 standard sample chromatogram
Figure B1 Cyclohexylamine chromatogram
The components and relative retention times of the peaks in Figure B1 are shown in Table B1
Table B1
Related Links: Industrial Cyclohexylamine (Appendix A)