1H NMR spectra were obtained on a Bruker Avance 500 MHz Ultrashield NMR; samples were recorded in DMSO d6. Molecular weight and molecular weight distributions of PEA were determined by GPC equipped with RI detector. Samples were dissolved in THF at a concentration of approximately 5 mg/mL and were run at a flow rate of 1 mL/min at 50 °C. The molecular weights were calibrated to a narrow polystyrene standard calibration curve, using Waters Empower software.
Avance 500 mhz ultrashield nmr
Manufactured by Bruker
The Avance 500 MHz Ultrashield NMR is a nuclear magnetic resonance spectrometer designed for high-resolution analysis of molecular structures. It operates at a frequency of 500 MHz and utilizes an Ultrashield magnet system to provide a stable and homogeneous magnetic field. The core function of this product is to perform precise measurements and characterization of chemical compounds through the detection and analysis of nuclear magnetic resonances.
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Lab products found in correlation
2 protocols using avance 500 mhz ultrashield nmr
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Polymer Characterization by NMR and GPC
2
Polymer Molecular Weight Characterization
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1 H NMR spectra were obtained on a Bruker Avance 500 MHz Ultrashield NMR; samples were recorded in ethanol d 6 .
Molecular weight and molecular weight distributions of PEA were determined by GPC equipped with RI detector. Samples were dissolved in THF at a concentration of approximately 5 mg/mL and were run at a flow rate of 1 mL/min at 50 ºC. The molecular weights were calibrated to a narrow polystyrene standard calibration curve, using Waters Empower software.
Molecular weight and molecular weight distributions of PEA were determined by GPC equipped with RI detector. Samples were dissolved in THF at a concentration of approximately 5 mg/mL and were run at a flow rate of 1 mL/min at 50 ºC. The molecular weights were calibrated to a narrow polystyrene standard calibration curve, using Waters Empower software.
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