Description
Flow-through cuvette (compact) type 178.712-OS is a precision optical cell fabricated from special optical glass covering the 320 nm to 2500 nm wavelength range. The compact geometry provides a 10 mm path length, Ø 1,5 mm aperture and 8,5 mm centre height, resulting in a low sample volume of 18 µl. Two M6 screw connectors supplied with FEP tubing allow continuous-flow operation in standard spectrophotometers. Produced by manufacturer Hellma entirely in Germany, the cell is thermally bonded rather than adhesive-joined, ensuring excellent resistance to chemicals and temperature extremes while eliminating leakage risk. Selected optical special glass yields transmission above 80 % for precise, reproducible absorbance data. Bevelled edges support safe handling and minimise the chance of edge damage. Because the cuvette can be thoroughly cleaned and reused, it constitutes a sustainable alternative to single-use cells. Manufacturing complies with EN ISO 9001 and EN ISO 14001, guaranteeing high optical standards together with dimensional accuracy of path length and face parallelism for reliable laboratory measurements.
This article is part of Cuvettes.
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Questions about flow-through cells (compact) , 178.712
What is this article?
flow-through cells (compact) , 178.712 is the article on this page. Luminix Health distributes Hellma (IDL) for laboratory use. It sits in Cuvettes, in Labware.
A cuvette is an optical cell. The spectrophotometer or photometer sends a beam through a defined path length, usually 10 mm, and the absorbance is read from that path. Glass is for the visible range. Quartz or a UV-grade plastic is required below about 320 nm, because ordinary glass absorbs there. The path length and the wavelength window are the two numbers that choose the cell. The optical methods that use it sit with NIST and the BIPM. Laboratory ware is indexed under ISO laboratory apparatus.
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