Searching of medicines from pyrograms using personal computer.

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Abstract
Searching of unknown samples from 48 medicines, which often came to be analyzed in forensic science, of their pyrograms has been studied by using personal computer. The pyrograms of 48 medicines were obtained by pyrolysis gas chromatography under the same conditions and evaluated from peak heights and peak areas. The evaluation method is as follows, the pyrogram was divided into 14 blocks by retention time and values was given to them based on maximum park height and area. These data were filed as data base. Unknown samples were measured and evaluated under the same conditions as 48 medicines. The 49 data were input to a personal computer for multivariate analysis. Unknown samples were identified by this method from peak height and peak area as a paraquat and bromovalerylurea, respectively.

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