Des O'Connor des at micro-search.com
Thu Nov 28 14:37:03 EST 2002


I checked the MERCK index for you and its doesnt give the extiction
coefficient for  Benzylpenecillin. It quotes uv max absorbtion values of
252.5 258 264.5 and 268.5 nm.

Perhapes if you cant turn up the data  you require then you might attempt
to create a calibration curve from scratch it hould only take a few hours.

Best Des

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