Cefixime (Figure 3, structure 15) is determined on an ODS column with a mobile phase consisting of acetonitrile-water (2.75 : 7.25) containing 0.01 mol L_1 ammonium acetate and 0.01 mol L_1 tetra-N-butylammonium bromide. Cefixime is detected at 290 nm.

For analysis of cefixime in serum, an ODS column is used with a mobile phase consisting of 0.3% potassium dihydrogen phosphate-acetonitrile (88.5 : 11.5). For urine analysis, the mobile phase is a mixture of 0.15% potassium dihydrogen phosphate-acetonitrile (77:23) containing 0.1% phosphoric acid. Cefixime is detected at 254 nm with a detection limit of 0.1 |gmL_1.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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