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LPC - Flow Cell for Absorbance Measurements of Low-concentration Aqueous Samples



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When connected to a spectrometer and a light source, the LPC-flow cell is suitable for measuring liquids with the lowest concentrations. Depending on the application, it can be used to analyse liquids in the ppb-ppt-range. The light is transmitted to a Teflon tube via an optical fiber. The tube serves as a light guide, directing the light to where it is coupled in the receiving wave guide.

The flow cell is available with a standard 50 mm, 100 mm, 500 mm, 1 m or 2 m path length. It has been designed for separate as well as for continuous sample measurements. The LPC has PEEK tube fittings that are chemically inert and corrosion-resistant. This even enables strongly corrosive liquids to be measured. The spectrometer and other periphery devices are connected via SMA connectors. A version allowing integration into a 19" rack (R-LPC) is available as an optional extra.

LPC´s can be used in a wide variety of applications, such as liquid chromatography detection, drinking water analyses, as well as environmental and oceanographic monitoring systems.


SpecificationsLPC
Path lengthStandard: 50 mm, 100 mm, 500 mm, 1 m, 2 m
TubingInner diameter: 550 µm,
Material: Teflon AF amorphous copolymer
Chemical resistance of tubingTubing can be altered by using perfluorinated solvents,
all other liquids are harmless
Refractive index1.29
Internal volume13 - 240 µl/m
Recommended optical fibers 400 µm excitation fiber to light source,
200 µm fiber to spectrometer
SMA connectors
Plumbing fittingsStandard: 1/4" x 28 chromatography fitting
Maximal Temperature160 °C
Pressure range1.5 - 2000 PSI


Last change 06/11/2008 01:46 PM
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