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usos de la hidroxipropilmetilcelulosa.

poudre d'hydroxypropylméthylcellulose

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NMR spectroscopy is a powerful analytical technique that provides detailed information about the structure, dynamics, and environment of molecules. It relies on the alignment of nuclear spins in a magnetic field and their subsequent relaxation to provide a spectrum. When non-deuterated solvents, such as methanol or ethanol, are used, the protons (¹H) in the solvent can contribute to the NMR signal, complicating the spectra and obscuring the information about the solute being studied. In contrast, deuterated solvents, such as deuterated chloroform (CDCl₃) or deuterated dimethyl sulfoxide (DMSO-d₆), contain fewer protons, markedly reducing interference and enhancing the clarity of the resulting spectrum.


In the pharmaceutical industry, sodium benzoate can serve multiple purposes. Its antimicrobial properties help in preserving medications and preventing the growth of harmful microorganisms, ensuring the safety and efficacy of pharmaceutical products. Wholesale suppliers of sodium benzoate provide pharmaceutical-grade quality, which is essential for compliance with strict regulatory standards.