CUSTOM 15 CM GAS CELL
This 15 centimeter gas cell has a longer pathlength and fits in most FTIR spectrometer sample compartments. This added length provides lower detection levels than a 10 cm, 5 cm, or 1 cm cells and still works well in measuring down to about 15 ppm for most high IR absorbing gases in modern FTIR spectrometer using a DTGS detector.
We have a number of people using to measure very active gases. The gas cell is made of 316L stainless steel, welded 1/4” VCR fittings, CaF2 windows in lieu of KBr windows and Teflon or Kalrez o-rings in lieu of Viton o-rings. These people are measuring impurities in pure fluorine or HF for example. Other materials maybe used to better match other active gaes chemical properties.
MERC-0.1L/15 CM-VCR
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Mercury Series Single Pass Gas Cell. Baseplate and mounting fixture for center-focus FT-IR or external beam applications. Sample line connections 1/4” SS welded VCR fittings. Comes with two 37.5 mm x 4 mm, KBr windows and Teflon O-rings. Optional purge tubes may not fit and depends on sample compartment.
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Pathlength:
Volume:
Cell Body:
Cell Hardware:
Optical Coating:
Temperature Range:
Pressure Range:
Windows:
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15 cm
0.15 liters
stainless steel
aluminum black anodized
n/a
ambient-200 C.
vacuum-ambient using F2
CaF2
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MERHJ-10CM
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Heater for 15 cm Mercury Series gas cell
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$1,100.00
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CNT-110
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Digital controller, user programmable. 110 V with a J type thermocouple.
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$1,080.00
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BAF2-37X4
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37.5mm x 4 mm Barium Fluoride window.
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CAF2-37X4 -
Wedged
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37.5 mm x 4 mm Calcium Fluoride window. Window wedged 2-10 minutes to minimize interference fringing of the IR spectrum.
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