Description
Flow-through cuvette type 137-QS is a precision optical cell manufactured from high performance quartz glass (SUPRASIL®) for spectrophotometry over the 200 nm to 2500 nm range. It features a 5 mm path length, a 20 × 9 mm aperture and a sample volume of 1300 µl, with inlet and outlet connectors for continuous-flow measurements. Hellma® precision cuvettes from manufacturer Hellma (IDL) are made entirely in Germany and suit all common spectrophotometers. Thermally bonded rather than glued joints provide strong resistance to temperature and chemicals and help stop unwanted leakage. Selected high performance quartz glasses achieve excellent transmission greater than 82 % for accurate results, and chamfered edges support safe, comfortable handling while reducing chip risk. The cells can be cleaned and reused for extended laboratory service. Certified manufacture to EN ISO 9001 and EN ISO 14001 upholds high optical standards, with path-length accuracy and parallelism that support continuously reproducible measurements. Supplied as one piece for analytical and process spectroscopy applications.
This article is part of Cuvettes.
Key features
- Pack size: 1 pc
- Product type: 137-QS
- Path length: 5 mm
- Material: High performance quartz glass (SUPRASIL®)
- Wavelength range: 200–2500 nm
- Volume: 1300 µl
- Technical Information Sheet:
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Questions about flow-through cells, 137
What is this article?
flow-through cells, 137 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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