40384

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Showing 1-6 of 6 results for "40384" within Papers

Determination of nicotine, glycerol, propylene glycol and water in electronic cigarette fluids using quantitative 1H NMR

Crenshaw DM, et al.

Magnetic Resonance in Chemistry, 54(11), 901-901 (2016)

Using high-performance quantitative NMR (HP-qNMR) for certifying traceable and highly accurate purity values of organic reference materials with uncertainties <0.1 %

Weber, M., Hellriegel, C., Rueck, A., Sauermoser, R., and Wuethrich, J.

Accreditation and Quality Assurance, 18, 91-98 (2013)

Using high-performance ¹H NMR (HP-qNMR®) for the certification of organic reference materials under accreditation guidelines--describing the overall process with focus on homogeneity and stability assessment.

Michael Weber et al.

Journal of pharmaceutical and biomedical analysis, 93, 102-110 (2013-11-05)

Quantitative NMR spectroscopy (qNMR) is gaining interest across both analytical and industrial research applications and has become an essential tool for the content assignment and quantitative determination of impurities. The key benefits of using qNMR as measurement method for the

Lefetamine, a controlled drug and pharmaceutical lead of new designer drugs: synthesis, metabolism, and detectability in urine and human liver preparations using GC-MS, LC-MS(n), and LC-high resolution-MS/MS.

Carina S D Wink et al.

Analytical and bioanalytical chemistry, 407(6), 1545-1557 (2015-01-13)

Lefetamine (N,N-dimethyl-1,2-diphenylethylamine, L-SPA) was marketed as an opioid analgesic in Japan and Italy. After being widely abused, it became a controlled substance. It seems to be a pharmaceutical lead for designer drugs because N-ethyl-1,2-diphenylethylamine (NEDPA) and N-iso-propyl-1,2-diphenylethylamine (NPDPA) were confiscated

Method development in quantitative NMR towards metrologically traceable organic certified reference materials used as (31)P qNMR standards.

Michael Weber et al.

Analytical and bioanalytical chemistry, 407(11), 3115-3123 (2014-11-25)

Quantitative nuclear magnetic resonance (qNMR) spectroscopy is employed by an increasing number of analytical and industrial laboratories for the assignment of content and quantitative determination of impurities. Within the last few years, it was demonstrated that (1)H qNMR can be

Determination of free fatty acids in pharmaceutical lipids by 1H NMR and comparison with the classical acid value

Skiera C, et al.

Journal of Pharmaceutical and Biomedical Analysis, 93(11), 43-50 (2014)

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