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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.
| Specifications | LPC |
| Path length | Standard: 50 mm, 100 mm, 500 mm, 1 m, 2 m |
| Tubing | Inner diameter: 550 µm,
Material: Teflon AF amorphous copolymer |
| Chemical resistance of tubing | Tubing can be altered by using perfluorinated solvents,
all other liquids are harmless |
| Refractive index | 1.29 |
| Internal volume | 13 - 240 µl/m |
| Recommended optical fibers | 400 µm excitation fiber to light source,
200 µm fiber to spectrometer
SMA connectors |
| Plumbing fittings | Standard: 1/4" x 28 chromatography fitting |
| Maximal Temperature | 160 °C |
| Pressure range | 1.5 - 2000 PSI |
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Last change 06/11/2008 01:46 PM
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