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Fraction Read/Plot
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A DUŽ Series 600 or 7000 Spectrophotometer system with Fraction Read/Plot Software is designed to analyze a set of samples that have been previously collected with a fraction collector. Absorbance data can be plotted as either a function of the fraction number or of the volume.

Features

  • Fraction re-read and dilution correction functions allow those samples which may initially have had high absorbance readings to be re-read.
  • Readings on pre-diluted fractions may be corrected for dilution.
  • "nth" fraction analysis feature allows the user to initially analyze only a portion of the collected fractions to determine where the components of interest have eluted.
  • Samples skipped between "nth" fractions may be read and added to further define "peaks."
  • Related fraction data such as DPM, enzyme activity, ionic strength, or refractive index can be input and plotted with the collected absorbance data.
  • Data from up to 300 samples may be obtained, enhanced and reported.
  • Results may be displayed and printed in tabular and/or graphical format.
  • Sample data can be stored in separate files in the instrument for easy recall and use.
     

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Active Fractions are Easily
Determined by Overlaying
Enzyme Activity Data.
Samples were Eluted from
a DEAE Column and
Read  at 280 nm.
pH Data is Overlaid.

Accessories

A useful accessory for analyzing a large number of collected fractions is the Batch Sampler Accessory. This is an automated sampling system with a 114-sample capacity. It requires the Sipper Accessory with a flow cell/tubing kit.

For more information:

T-1697 Facilitated Collected Fraction Reading and Plotting with the DU Series 7000 Spectrophotometers
 

 
 
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