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Industrial cyclohexylamine (Appendix C)

 Last Update: 2021-10-12
 Source: Internet
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Appendix C

Determination of Moisture in Cyclohexylamine by Gas Chromatography

(Prompt appendix)

C1 is measured in accordance with the method of GB/T2366

The chromatographic conditions are as follows:

Chromatographic column: a stainless steel column with an inner diameter of 3mm and a column length of 1m;

Filler: GDX-403 carrier, particle size 149um～177μm (100mesh～80mesh);

Oven temperature: 105℃;

Vaporization temperature: 250℃;

Bridge current: 160mA;

Carrier gas (hydrogen) flow rate: 35mL/min;

Injection volume: 5uL

The water chromatogram of C2 cyclohexylamine is as follows:

Figure C1 Water chromatogram of cyclohexylamine

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