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Description: The DU Series Spectrophotometer is a microprocessor- controlled spectrophotometer intended for use in quantitative and qualitative biological. The Beckman DU Spectrophotometer is an efficient stand alone system that comes with complementary accessories to produce accurate results. Beckman DU UV/Vis Scanning Spectrophotometer. This refurbished DU Spectrophotometer unit; PDF Manual; Mouse; Power cord.

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The DR incorporated a “robot operator” which would reset the knobs on the DU to complete a sequence of measurements at different wavelengths, just like a human operator would to generate results for a full spectrum. Other offers may also be available.

Thank you for your time and Business. Approximately 30, DU spectrophotometers were manufactured and sold between and He further demonstrated that the relative amounts of guanine, cytosine, adenine and thymine varied between species.

Equipment Information

There is a shipping surcharge to items shipped to Alaska, Hawaii and Puerto Rico. This enables the ratio, transmittanceto be obtained.

Then information from the plates had to be combined to create a graph showing the spectrum as a whole. Archived from the original PDF on 26 March If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.

Add to watch list Remove from watch list. Warranty is only for 14 day DOA guarantee for full refund less shipping, buyer pays return shipping. Retrieved 15 December Optical spectroscopy in chemistry and life sciences PDF.

Spare ink cartridges and paper for the printer are kept on hand. It remained unsurpassed in its field for 35 years. The small box will turn white. This instrument exemplifies ‘ease of use’. Thank you for your time and business. Forensic Views of the Body”. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees. This had the potential to increase the instrument’s accuracy and reliability as well as its speed and ease of use.


This work became one of the most cited papers in biochemistry. A small number of Model D instruments were sold, beginning in Julybefore it was superseded by the DU. No returns will be accepted without prior authorization and the customer assumes responsibility for the package until it is delivered to me.

Learn Specttophotometer – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc. This device forever simplified and streamlined chemical analysis, by allowing researchers to perform a Fee would be waived if freight company would be packaging item on your behalf.

See all condition definitions – opens in a new window or tab This set the pattern for all of Beckman’s later quartz prism instruments. National Technical Laboratories designed its own hydrogen lamp, an anode enclosed in a thin blown-glass window.

When they turned down the opportunity, National Technical Laboratories designed its own optical system, including both a control mankal and a quartz prism.

Retrieved 17 March The last ,anual spectrophotometer was produced on July 6, Preparing for capturing spectrometer data on the PC. A number of hydrocarbons were of interest to the war effort. Food and Drug Administration and state and local regulatory agencies. The DU spectrophotometer was extensively used in the mass production of penicillin. Replied to gr’s post on August 29 th Combined Shipping discount is available, spectrophotomwter is based of number of items purchased and shipping weight.


The DK-1 used a non-linear scroll, and the DK-2 used a linear scroll dk automatically record the spectra. Replied to gr’s post on August 21 st The machine will occasionally freeze up, requiring a re-boot.

From Wikipedia, the free encyclopedia. Saving the data to the floppy disk is optional.

Equipment Information – MSU Pharmacology & Toxicology Facilities

Shipping price includes shipping and handling fees unless otherwise stated. Retrieved 8 September The back surface of the prism is aluminized so that light refracted at the first surface is reflected back through the prism, undergoing further refraction spectrophotomerer it emerges from the prism.

Proceedings of the National Academy of Sciences. It used a linear shuttle with four positions, and a superstructure to change the knobs. Perfrom these steps at manuxl DU a. It came from Brazil, and was in demand for wartime radio oscillators. Freight – Check the item description or contact the seller for details.

Principles, Methods, and General Applications. Back to home page. Learn More speectrophotometer opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc.