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Temperature controller

Manufactured by Lake Shore Cryotronics
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The Temperature Controller is a device designed to precisely regulate and monitor temperature. It measures the temperature from a sensor and adjusts the output to maintain the desired temperature. The core function of the Temperature Controller is to provide accurate and stable temperature control for various applications.

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Lab products found in correlation

Nicolet nexus 870, by Thermo Fisher Scientific (2 mentions)

Close spelling variants of this product

LakeShore 335 temperature controller Model 340 temperature controller

3 protocols using temperature controller

1

Matrix-Isolation of Cyanocyclopropanes

Cited 1 time
Check if the same lab product or an alternative is used in the 5 most similar protocols
(Cyanomethylene)cyclopropane
(5) and 1-cyano-2-methylenecyclopropane (7) have vapor pressures measured with a capacitance manometer of 1.2
and 1.1 Torr at room temperature, respectively. Each was premixed
with argon prior to depositing in a ratio of ∼1:1000 and ∼1:700
for 5 and 7, respectively. The sample was
deposited on a CsI window maintained at a temperature of 30 K by using
a Lake Shore Cryotronics temperature controller (model 331). The infrared
spectra of the matrix-isolated samples were obtained from 4000 to
400 cm–1 using a Thermo Nicolet Nexus 870 FT-IR
instrument (MCT-B detector). Sample irradiation was performed using
a Xe arc lamp (300 W, ILC Technology LX300UV). A λ > 237
nm
cutoff filter (Schott glass) was used for one irradiation experiment.
The matrix-isolation apparatus and technique have been described previously.50 (link)−52 (link)
Wood S.A., Esselman B.J., Kougias S.M., Woods R.C, & McMahon R.J. (2024). Photoisomerization of (Cyanomethylene)cyclopropane (C5H5N) to 1-Cyano-2-methylenecyclopropane in an Argon Matrix. The Journal of Physical Chemistry. a, 128(8), 1417-1426.
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2

Matrix-Isolation of Cyanocyclopropanes

Cited 1 time
Check if the same lab product or an alternative is used in the 5 most similar protocols
(Cyanomethylene)cyclopropane
(5) and 1-cyano-2-methylenecyclopropane (7) have vapor pressures measured with a capacitance manometer of 1.2
and 1.1 Torr at room temperature, respectively. Each was premixed
with argon prior to depositing in a ratio of ∼1:1000 and ∼1:700
for 5 and 7, respectively. The sample was
deposited on a CsI window maintained at a temperature of 30 K by using
a Lake Shore Cryotronics temperature controller (model 331). The infrared
spectra of the matrix-isolated samples were obtained from 4000 to
400 cm–1 using a Thermo Nicolet Nexus 870 FT-IR
instrument (MCT-B detector). Sample irradiation was performed using
a Xe arc lamp (300 W, ILC Technology LX300UV). A λ > 237
nm
cutoff filter (Schott glass) was used for one irradiation experiment.
The matrix-isolation apparatus and technique have been described previously.50 (link)−52 (link)
Wood S.A., Esselman B.J., Kougias S.M., Woods R.C, & McMahon R.J. (2024). Photoisomerization of (Cyanomethylene)cyclopropane (C5H5N) to 1-Cyano-2-methylenecyclopropane in an Argon Matrix. The Journal of Physical Chemistry. a, 128(8), 1417-1426.
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3

Variable-Temperature Ultrafast Setup

Check if the same lab product or an alternative is used in the 5 most similar protocols
Variable-temperature data were acquired through the incorporation of an optical Dewar (Janis Research SuperTran-VT 100) into the sample region of the aforementioned setup. This apparatus allows access to a temperature range of 2–350 K; however, data acquisition relevant to this report was limited to 235–292 K, i.e., fluid solution samples. A liquid nitrogen storage Dewar (International Cryogenics, Inc.) is connected to the cryostat with a transfer line (Janis Research) that remains in place throughout data collection in order to ensure minimal cryogen loss over the course of the measurements. Importantly, this continuous-flow setup allows for the cryostat to remain stationary throughout data collection, thereby minimizing changes in the pump/probe overlap within the sample. The temperature of the sample within the cryostat is controlled and monitored via two sensors placed in the upper and lower chambers of the cryostat, connected to a Lake Shore Cryotronics temperature controller. The average of the readings from these two sensors is taken to be the sample temperature, affording an estimated accuracy of ± 1 K. A schematic of the variable-temperature ultrafast setup can be seen in Scheme 1. Data collection at each temperature takes approximately one hour, which ensures that sufficient time is allotted for thermal equilibration of the sample.
Carey M.C., Adelman S.L, & McCusker J.K. (2018). Insights into the excited state dynamics of Fe(ii) polypyridyl complexes from variable-temperature ultrafast spectroscopy †Electronic supplementary information (ESI) available. CCDC 1810752 and 1810753. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8sc04025g. Chemical Science, 10(1), 134-144.
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