Authors: ASKAL HF

Citation: Hf. Askal, SPECTROPHOTOMETRIC STUDY OF THE CHARGE-TRANSFER COMPLEXES OF SOME PHARMACEUTICAL BUTYROPHENONES, Talanta, 44(10), 1997, pp. 1749-1755

Authors: BACKHEET EY ASKAL HF SALEH GA

Citation: Ey. Backheet et al., USE OF HEMATOXYLIN IN THE SPECTROPHOTOMETRIC DETERMINATION OF ALKALOIDS IN PHARMACEUTICALS, GALENICALS AND POWDERED PLANTS, Analytical communications, 33(5), 1996, pp. 177-181

Authors: ABDELMAGEED OH KHASHABA PY ASKAL HF SALEH GA REFAAT IH

Citation: Oh. Abdelmageed et al., SELECTIVE SPECTROPHOTOMETRIC DETERMINATION OF ASCORBIC-ACID IN DRUGS AND FOODS, Talanta, 42(4), 1995, pp. 573-579

Authors: SALEH G ASKAL HF

Citation: G. Saleh et Hf. Askal, SPECTROPHOTOMETRIC DETERMINATION OF CERTAIN LOCAL-ANESTHETICS IN PHARMACEUTICAL PREPARATIONS, Analytical letters, 28(15), 1995, pp. 2663-2671

Authors: EMARA KM MOHAMED AMI ASKAL HF DARWISH IA

Citation: Km. Emara et al., SPECTROPHOTOMETRIC DETERMINATION OF SOME PHARMACEUTICAL COMPOUNDS USING 2,2-DIPHENYL-1-PICRYLHYDRAZYL, Analytical letters, 26(11), 1993, pp. 2385-2395