Absorption spectra were measured using a Shimadzu UV-2550 PC double-beam spectrophotometer. Reflective UV–Vis spectroscopy of water-jet rewritable paper (WJRP) before and after addition of water and in situ kinetic measurement was tested via reflective mode of integrating sphere on Analitik Jena Specord®210 plus UV/VIS spectrophotometer, using BaSO4 as background, path length was 1 cm. The writing-erasing cycles experiment for WJRP was recorded by Maya 2000PRO fibre optical spectrometer with Ocean DH-2000-BAL UV-Vis-NIR light source. CIE L*, a*, b* was measured by X-rite spectrodensitometer. X-ray diffraction data was recorded on a Rigaku RAXIS-PRID diffractometer using the ω-scan mode with graphite monochromator Mo·Kα radiation (λ = 0.71073 Å). 1H NMR (500 MHz) and 13C NMR (125 MHz) spectra were recorded on a Bruker AVANCE500 at room temperature. LC-HRMS analysis was performed on an Agilent 1290-micro TOF-Q II mass spectrometer.
1290 micro tof q 2 mass spectrometer
Manufactured by Agilent Technologies
Sourced in United States
The 1290-micro TOF-Q II mass spectrometer is a high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) system designed for qualitative and quantitative analysis of small molecules. It features a micro-TOF-Q II mass analyzer that provides accurate mass measurement and high-resolution capabilities.
Automatically generated - may contain errors
Lab products found in correlation
Uv 2550 pc double beam spectrophotometer, by Shimadzu (3 mentions)
Avance 500, by Bruker (2 mentions)
Raxis prid diffractometer, by Rigaku (1 mentions)
Specord 210, by Analytik Jena (1 mentions)
Plgel mixed b, by Agilent Technologies (1 mentions)
Rf 5301pc spectrophotometer, by Shimadzu (1 mentions)
U 3010 spectrometer, by Hitachi (1 mentions)
Avance 3 400 spectrometer, by Bruker (1 mentions)
F 4500 fluorescence spectrophotometer, by Hitachi (1 mentions)
4 protocols using 1290 micro tof q 2 mass spectrometer
1
Reflective UV-Vis Spectroscopy of Water-Jet Rewritable Paper
2
Spectroscopic Characterization of Polymers
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Absorption spectra were measured using a Shimadzu UV-2550 PC double-beam spectrophotometer. Absorption spectra of solids were measured via the reflective mode of the integrating sphere on an Analytik Jena Specord®210 plus UV/Vis spectrophotometer, using BaSO4 as background and path length of 1 cm. The fluorescence quantum yields (QYs) were measured on a FLS 920 lifetime and steady-state spectrometer. Steady-state fluorescence spectra were measured using a Shimadzu RF-5301 PC spectrophotometer. 1H NMR (500 MHz) and 13C NMR (126 MHz) spectra were recorded on a Bruker AVANCE 500 at room temperature. LC-HRMS analysis was performed on an Agilent 1290-Micro TOF-Q II mass spectrometer. Mn and Mw/Mn (Ð) of poly(AM-Rhx co NIPAMy)s were measured using PL-GPC 220 high-temperature gel permeation chromatography (GPC) with Agilent PLgel MIXED-B (300 × 7.5 mm, 10 μm), taking DMF as the mobile phase with flow rate of 1.0 mL min−1 at 80 °C, and using RI as the detector and polystyrene (PS) as calibration standard.
3
Comprehensive NMR and Mass Spectroscopy Analysis
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1H NMR (500, 600 MHz)
and 13C NMR (126, 150 MHz) spectra were recorded on a Bruker
AVANCE500 (or AVANCE 600) using tetramethylsilane (TMS) as the reference
standard at room temperature. In 1H NMR spectra, chemical
shifts (parts per million) were referenced to residual solvent protons
(3.31 ppm in MeOD). In 13C NMR spectra, chemical shifts
(parts per million) were referenced to the carbon signal of the deuterated
solvent (49.0 ppm in MeOD). High resolution electrospray ionization
mass spectrometry analysis was performed on an Agilent 1290-micrOTOF-Q
II mass spectrometer. The UV–vis absorption spectra were measured
from 230 to 800 nm at a scan rate of 5 nm/s using a Shimadzu UV-2550
PC double-beam spectrophotometer with a path length of 1 cm. The solutions
for UV–vis measurements were prepared with a concentration
of 1 × 10–4 M, unless otherwise specified.
The kinetics was measured on an Analitik Jena Specord 210 plus UV–vis
spectrophotometer.
and 13C NMR (126, 150 MHz) spectra were recorded on a Bruker
AVANCE500 (or AVANCE 600) using tetramethylsilane (TMS) as the reference
standard at room temperature. In 1H NMR spectra, chemical
shifts (parts per million) were referenced to residual solvent protons
(3.31 ppm in MeOD). In 13C NMR spectra, chemical shifts
(parts per million) were referenced to the carbon signal of the deuterated
solvent (49.0 ppm in MeOD). High resolution electrospray ionization
mass spectrometry analysis was performed on an Agilent 1290-micrOTOF-Q
II mass spectrometer. The UV–vis absorption spectra were measured
from 230 to 800 nm at a scan rate of 5 nm/s using a Shimadzu UV-2550
PC double-beam spectrophotometer with a path length of 1 cm. The solutions
for UV–vis measurements were prepared with a concentration
of 1 × 10–4 M, unless otherwise specified.
The kinetics was measured on an Analitik Jena Specord 210 plus UV–vis
spectrophotometer.
4
Synthesis and Characterization of Novel Naphthalimide Derivatives
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All chemicals are commercially available without further purification. 4-Bromo-1-8-naphthalic anhydride, 8-aminoquinoline, ullotropine and other organic reagents were supplied by Shanghai Aladdin Biochemical Technology. The solutions of various testing species were prepared from NaCl, KCl, BaCl2, CdCl2, MnCl2, NiCl2, MgCl2, HgCl2, FeCl2, CuCl2, ZnCl2, FeCl3, CrCl3, SnCl4, Ca(NO3)2, Pb(NO3)2, Al(NO3)3.
1H NMR and 13C NMR spectra were recorded on a Bruker AVANCE III 400 spectrometer (1H, 400 MHz; 13C, 101 MHz) in CDCl3 or DMSO-d6. Fluorescence spectra were obtained on a Hitachi F-4500 fluorescence spectrophotometer (Japan) equipped with a 1 cm quartz cell, and UV-vis spectra were measured using a Hitachi U-3010 spectrometer. Mass spectra were recorded on an Agilent 1290-micr OTOF Q II mass spectrometer (US). The pH of the solution was determined using a Mettler-Toledo instrument. FT-IR spectrum was taken on a Varian Scimitar 1000 spectrometer. All measurements were performed at approximately room temperature.
1H NMR and 13C NMR spectra were recorded on a Bruker AVANCE III 400 spectrometer (1H, 400 MHz; 13C, 101 MHz) in CDCl3 or DMSO-d6. Fluorescence spectra were obtained on a Hitachi F-4500 fluorescence spectrophotometer (Japan) equipped with a 1 cm quartz cell, and UV-vis spectra were measured using a Hitachi U-3010 spectrometer. Mass spectra were recorded on an Agilent 1290-micr OTOF Q II mass spectrometer (US). The pH of the solution was determined using a Mettler-Toledo instrument. FT-IR spectrum was taken on a Varian Scimitar 1000 spectrometer. All measurements were performed at approximately room temperature.
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