The analytical instruments and supported software used in the present research work are LC–MS instruments manufactured by Waters, single quadrupole mass detector coupled with Acquity UHPLC front end, and Maslynx 4.2 software. Purification instrument was from Waters binary module 2545, auto-sampler 2707 with detector-2489 and Chromscope-2.1 software. HRMS instrument from Thermo Q-exactive Orbitrap MS with ESI ion source and Dionex ultimate 3000 LC front end was supported by Xcalibur software. NMR instrument was from Bruker Avance Neo 400 MHz and Topspin 4.11 software. Infrared spectroscopy instrument was from Shimadzu IR-Afinity-1S supported by lab solution software and analytical balance from Sartorius-SQP-F.
Sqp f
Manufactured by Sartorius
Sourced in Germany
The SQP-F is a lab equipment product from Sartorius. It is a compact, single-pan balance designed for basic weighing applications in the laboratory environment. The SQP-F provides accurate and reliable weighing results within its specified capacity and readability.
Automatically generated - may contain errors
3 protocols using sqp f
1
Analytical Instrumentation and Software
2
Comprehensive Analytical Instrumentation Protocol
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The analytical instruments and supported software engaged for the present work are UHPLC-MS instrument from Acquity UHPLC frontend with waters single quadrupole detector with and maslynx 4.2 software. HRMS instrument from Thermo with Dionex ultimate 3000 LC frontend q-exactive orbitrap MS with ESI ion source and x-calibur software. Purification instrument from Waters binary module 2545, detector-2489 and autosampler 2707 with chrom scope-2.1 software. NMR instrument from Bruker Avance neo 400 MHz with topspin 4.09 software. Analytical balance from Sartorius-SQP-F, and Infrared spectroscopy instrument from Shimadzu ir-afinity-1S and lab solution software.
3
Thermogravimetric and Solvent Evaporation Analysis
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Thermogravimetric analysis of the samples
was performed by a Q5000 TGA instrument (TA Instruments). The ES fibers
and spray-dried (SD) powder (ca. 10 mg) were heated from 25 to 250
°C at 10 °C/min using a 25 mL/min nitrogen flush.
Solvent evaporation was investigated by a simple mass loss analysis,
where the mass of the products was measured over time under atmospheric
circumstances (no inert gas was applied). The samples were placed
on an analytical balance (Sartorius AC 210 and SQP-F, Göttingen,
Germany) at 25 °C for 90 min immediately after preparation. A
computer using data processing software (written by the authors) recorded
the measured weights.
was performed by a Q5000 TGA instrument (TA Instruments). The ES fibers
and spray-dried (SD) powder (ca. 10 mg) were heated from 25 to 250
°C at 10 °C/min using a 25 mL/min nitrogen flush.
Solvent evaporation was investigated by a simple mass loss analysis,
where the mass of the products was measured over time under atmospheric
circumstances (no inert gas was applied). The samples were placed
on an analytical balance (Sartorius AC 210 and SQP-F, Göttingen,
Germany) at 25 °C for 90 min immediately after preparation. A
computer using data processing software (written by the authors) recorded
the measured weights.
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