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Handbook of Solvents - George Wypych - ChemTech - Ventech!

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1134 Michel Bauer, Christine Barthélémy<br />

Figure 16.2.1. Overview <strong>of</strong> benzene metabolism (after reference 34).<br />

16.2.3.3 Gas chromatography (GC)<br />

16.2.3.3.1 General points<br />

This is, <strong>of</strong> course, the method <strong>of</strong> choice which has long been used to determine RS whatever<br />

the area <strong>of</strong> application (pharmaceuticals, polymers, water analysis, etc.). 37-40 From the late<br />

70’s to the beginning <strong>of</strong> the 80’s, there was a large number (or flood) <strong>of</strong> publications dealing<br />

with different possible GC techniques which could be applied for detecting or analyzing<br />

residual solvents especially in pharmaceuticals (intermediates <strong>of</strong> synthesis, drug sub-

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