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Content Spectrophotometers - SI Analytics GmbH

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Spectrum 01/01/08 12:40<br />

2.5<br />

WL.: 888.0<br />

Abs.: 2.388<br />

Absorbance<br />

2.0<br />

1.5<br />

1.0<br />

0.5<br />

0.0<br />

400<br />

600<br />

800<br />

1000<br />

Wavelength [nm]<br />

Settings Tools Zoom Open<br />

Whenever the optimal wavelength for the determination of<br />

the concentration is unknown or the purity of a solution is to<br />

be determined, the adding of a spectrum becomes necessary.<br />

By using the zoom function and the cursor it is quite easy to<br />

edit the spectra.<br />

Furthermore, there is a whole range of additional evaluation<br />

functions such as min/max recognition, add spectrum and<br />

subtract spectrum, derivative calculation (1-3. derivative),<br />

peak surface calculation, as well as multiply fixed value.<br />

149

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