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Thermo Scientific™ Spectrophotometer Test-tube Cuvettes

Thermo Scientific™ Test-Tube Cuvettes are easy-to-use, inexpensive spectrophotometer cells for routine analyses.

Brand:  Thermo Scientific™ 331780-000

Additional Details : Weight : 0.80000kg

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Product Code. 11883774

Quantity Price
1 € 126.00 / Pack of 12
10 € 116.75 / Pack of 12
Estimated Shipment: 16-07-2021

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Description

Description

Enhance routine analyses with Thermo Scientific™ Test-Tube Cuvettes- easy-to-use, inexpensive spectrophotometer cells. A dedicated test tube holder accessory is required to make measurements in test-tubes in all Thermo Scientific™ GENESYS™ and Thermo Scientific™ Evolution™ spectrophotometers. Refer to your instrument User Guide for information on limits on the height of test tubes that can be accommodated in the sample compartment of your instrument.

Test-tube cuvettes were popular for making measurements in the Thermo Scientific™ SPECTRONIC™ 20 Spectrophotometers popular in teaching and basic analytical laboratories in the last century.  Many well established methods still call for the use of test-tube cuvettes.  

Modern methods (and instruments) generally rely on square cuvettes with a highly reproducible pathlength, optical surfaces that are perfectly perpendicular to the instrument light beam, and have a high degree of reproducibility from cuvette to cuvette, even among low cost disposable cuvettes sold by the hundred.

Spectrophotometers designed for use with cuvettes often have restrictions on the maximum height of the cuvettes that they can accommodate.  This requires that special short test-tubes be purchased if a customer wishes to work with test-tubes in a modern instrument.  

Thermo Fisher Scientific continues to supply specialized test-tube cuvettes to support our customers’ ongoing analytical needs.  However, we strongly recommend that customers establish new methods to use square or rectangular cuvettes, and that older methods requiring test tubes be reviewed and, if possible, updated to use square cuvettes as a more modern, more accurate, and more available alternative.

Specifications

Specifications

Cuvette
Optical Glass
100 mm
Standard test-tube cuvette with white marker line for consistent alignment. Outer diameter is approx. 0.5 in.. Inner diameter (pathelength) approx. 11.6mm. Box of 12, unmatched.
~11.6 mm
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