Pentaxia Limited
Pentaxia was founded in 2008 by Stephen Ollier, Adam Norris & John Norris with a focus to sup……...
On both solid and liquid samples, the VT cell is utilized for ultraviolet, infraredand visible spectroscopy. It has a vacuum jacket and refrigerant for sub-ambient cooling and a heater block for above-ambient measuring conditions.
Variable Temperature Cell Holder
Specac’s Heatable Transmission/Flow Cells are compatible with the standard VT transmission cell holder. The 3″ × 2″ slide mounting plate or a BenchmarkTM baseplate are used to install the cell holder into an optical spectrometer sample chamber.
The cell holder comes with NaCl windows, however, alternative NIR, Vis, UVand Infrared transmission window materials are also available.
For solid materials, the VT cell is operational from –190 °C to +250 °C, and for liquid samples, from –70 °C to +250 °C.
Four Port Variable Temperature Cuvette Holder
The Variable Temperature Cuvette Holder is a four-port variant of the regular Variable Temperature Cell Holder that can accommodate quartz glass cuvettes with a pathlength up to 10 mm. This cell holder has been specifically designed for Raman, fluorescenceand UV spectroscopic analysis of liquid samples.
The four-port design allows collection of the (scattered) radiation at a 90° angle to the incident radiation, as well as at a 180° angle as evaluated with a standard configuration.
Key Features
Variable Temperature Cell
Flow mode: Available for liquid flow cells
Programable: Controlled temperatures from –190 ºC to 250 ºC
Mounting: Via baseplate or 3 × 2 slide mount
Heated jacket: Prevents window condensation
Dewar cooling system: Interictal dewar for temperature control
Variable Temperature Cuvette
Comes with heated jacket windows to prevent condensation
Dewar cooling system available
Holds 10 mm pathlength quartz cuvette
Benchmark™ Baseplate or 3″ × 2″ mounting options
Programmable controlled temperatures from –190 °C to 250 °C (Stability ± 0.1 °C)
Applications
Catalysis
Absorption band study at low temperatures
Reaction kinetics
Analysis under extreme temperature conditions
Oxidation studies
PolymorphismPhase transition studies
Polymerization studies
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