PRECONCENTRATION AND DETERMINATION OF NICOTINE IN TOBACCO SAMPLES BY DISPERSIVE MICRO-SOLID PHASE EXTRACTION AND GAS CHROMATOGRAPHY-MASS SPECTROMETRY; [Pemekatan dan Penentuan Niko...

by Yatim N.A.S.M.; Hanapi N.S.M.; Zaini N.; Anis A.L.; Rashid R.A.; Bonnia N.N.; Ibrahim W.N.W.
Published in Malaysian Journal of Analytical Sciences (2023)