Pyrolysis of Paper with a Thermal Slice Technique

This application note presents pyrolysis GC-MS of cash register paper, using a thermal slice technique to thermally remove the paper component from the analysis

Introduction
 

In a previous application¹, paper which is coated with material that changes color when exposed to heat, also known as thermal paper, was analyzed with evolved gas analysis (EGA) while including a thermal slicing technique to remove the cel- lulosic portion of the paper but leaving the additives and polymer coating. In this application, this technique was used in conjunction with pyrolysis-GC-MS.

Experimental
 

Using information gathered from an EGA and multi-step pyrolysis in a previous application note1, 100 μg of paper was analyzed with Pyrolysis-GC-MS with a “stitched method” and thermal slicing to remove the cellulose.

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