Waldemar Krawczyk

Application of chemometric methods in searching for illicit Leuckart amphetamine sources

Waldemar Krawczyk, A. Parczewski · Analytica Chimica Acta · 2001 · 30 citations

Substance Abuse, Psychoactive Drug, Drug Intelligence +12

Impurity profiling/comparative analyses of samples of 1-phenyl-2-propanone.

Waldemar Krawczyk, T Kunda, I Perkowska et al. · PubMed · 2005 · 19 citations

Engineering, Chemical Analysis, Organic Chemistry +22

Retention indices of dimethylbenzamidines and benzylideneamines on a non-polar column

Janusz Oszczapowicz, Jerzy Osek, Konrad Ciszkowski et al. · Journal of Chromatography A · 1985 · 14 citations

Chemical Measurement, Engineering, Physicochemical Analysis +5

Amidines. Part 28. Influence of substitution at the amidino carbon atom on the sensitivity to substitution at the imino nitrogen atom. pK a Values of N 1 N 1-dimethylbenzamidines

Janusz Oszczapowicz, Waldemar Krawczyk · Journal of the Chemical Society Perkin Transactions 2 · 1989 · 12 citations

Amidino Carbon Atom, Derivative (Chemistry), Imino Nitrogen Atom +12