BECKMAN DU 640 SPECTROPHOTOMETER MANUAL PDF

Background[ edit ] Before the development of the DU spectrophotometer, analysis of a test sample to determine its components was a long, costly, and often inaccurate process. A classical wet laboratory contained a wide variety of complicated apparatus. Determining quantitative concentrations of those components in the sample involved further steps. Processes could involve techniques for chemical reactions , precipitations , filtrations and dissolutions.

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Share: Description The Beckman Coulter DU Series Spectrophotometers are a microprocessor controlled spectrophotometer intended for use in quantitative and qualitative biological research and industrial procedures that required spectrophotometric measurements in the UV-visible region of the electromagnetic spectrum. The DU Series operates in the wavelength range of to nm. Models of the instruments are available with either a monochrome or a color video display. Data storage on a 3. Accessories to configure the instrument for specific application needs are available in the marketplace.

The instrument features a graphic video display, which provides operational information using windowing techniques, and a mouse for operator control. The instrument has two rapid reading modes: RediRead for taking readings at a fixed wavelength and RediScan for making a wavelength scan.

One model of the instruments also contains a Program mode. The instrument is provided with a parallel output for a dot matrix printer and a bidirectional RS communications port that can be configured for either communications or an X-Y plotter. The communications port can be used for data transfer to and from the instrument and for remote control of the instrument by an external computer.

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Equipment Information

Share: Description The Beckman Coulter DU Series Spectrophotometers are a microprocessor controlled spectrophotometer intended for use in quantitative and qualitative biological research and industrial procedures that required spectrophotometric measurements in the UV-visible region of the electromagnetic spectrum. The DU Series operates in the wavelength range of to nm. Models of the instruments are available with either a monochrome or a color video display. Data storage on a 3.

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BECKMAN DU 640 SPECTROPHOTOMETER MANUAL PDF

Missouri City, Texas, United States. Handbook of essential fatty acid biology biochemistry, physiology, and behavioral neurobiology. Spectroscopic methods for observing the absorption of electromagnetic radiation in the visible spectrum were known as early as the s. If so, do not bid on this item unless you are an authorized purchaser. Retrieved 9 September The DK-1 used a non-linear scroll, and the DK-2 used a linear scroll to automatically record the spectra.

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