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Results: 1-25/29
Authors:
El-Ansary, AL
Issa, YM
Tag-Eldin, AS
Citation: Al. El-ansary et al., Plastic membrane selective electrodes for chlortetracyclinium ion based onchlortetracyclinium-phosphotungstate and phosphomolybdate ion-pair associates, ELECTROANAL, 13(14), 2001, pp. 1203-1208
Authors:
Issa, YM
Shoukry, AF
El-Nashar, RM
Citation: Ym. Issa et al., Conductimetric determination of reproterol HCl and pipazethate HCl and salbutamol sulphate in their pharmaceutical formulations, J PHARM B, 26(3), 2001, pp. 379-386
Authors:
El-Ansary, AL
El-Hawary, WF
Issa, YM
Ahmed, AF
Citation: Al. El-ansary et al., Preparation, characterization, and thermodynamic studies of Promazine, Chlorpromazine, Promethazine, Imipramine, and Ciprofloxacin ion-associates with some metal complex ions, SYN REAC IN, 31(3), 2001, pp. 441-456
Authors:
Issa, YM
Hegazy, WH
Citation: Ym. Issa et Wh. Hegazy, Synthesis and spectroscopic studies of TiO(II), VO(II), and Cr(III) complexes with some beta-diketone dihydrazone derivatives, SYN REAC IN, 31(2), 2001, pp. 303-314
Authors:
Badawy, SS
Issa, YM
El-Hawary, WF
Ashour, MS
Citation: Ss. Badawy et al., Cetyldimethylethylammonium-selective PVC electrode based on its ion-associate with phosphotungstic acid, MIKROCH ACT, 136(1-2), 2001, pp. 1-7
Authors:
Shoukry, AF
Issa, YM
El-Nashar, RM
Citation: Af. Shoukry et al., Reproterol plastic membrane ion-selective electrodes based on its individual and mixed ion-exchangers with phosphotungstic and/or phosphomolybdic acids, MICROCHEM J, 69(3), 2001, pp. 189-197
Authors:
Issa, YM
Amin, AS
Citation: Ym. Issa et As. Amin, Extraction-colorimetric method for the determination of erythromycin and its esters in dosage forms using chromotropic acid azo dyes, ANAL LETTER, 34(7), 2001, pp. 1163-1173
Authors:
Shoukry, AF
Ghani, NTA
Issa, YM
Wahdan, OA
Citation: Af. Shoukry et al., Spectrophotometric determination of dipyridamole and chlorpheniramine maleate using some chromotropic acid azo dyes, ANAL LETTER, 34(10), 2001, pp. 1689-1701
Authors:
Sherif, OE
Issa, YM
Abbas, SM
Citation: Oe. Sherif et al., Thermodynamic parameters of some Schiff bases derived from 5,7-dihydroxy-6-formyl-2-methylbenzopyran-4-one, J THERM ANA, 59(3), 2000, pp. 913-926
Authors:
Issa, YM
Hassouna, MM
Abdel-Gawad, FM
Hussien, EM
Citation: Ym. Issa et al., Poly(vinyl chloride) ion-selective electrodes for Piribedil determination, J PHARM B, 23(2-3), 2000, pp. 493-502
Authors:
Issa, YM
Hegazy, WH
Citation: Ym. Issa et Wh. Hegazy, Preparation and characterization of some substituted 3-benzylidene-2,4-pentanediones and some of their metal complexes, SYN REAC IN, 30(9), 2000, pp. 1731-1746
Authors:
Issa, YM
El-Ansary, AL
Tag-Eldin, AS
Citation: Ym. Issa et al., Construction and analytical applications of plastic membrane electrodes for oxytetracycline hydrochloride, MIKROCH ACT, 135(1-2), 2000, pp. 97-104
Authors:
Amin, AS
Issa, YM
Citation: As. Amin et Ym. Issa, Spectrophotometric microdetermination of some pharmaceutically important aminoquinoline antimalarials, as ion-pair complexes, MIKROCH ACT, 134(3-4), 2000, pp. 133-138
Authors:
Issa, YM
El-Hawary, WF
Ahmed, AF
Citation: Ym. Issa et al., Ion-pair formation in pharmaceutical analysis. Conductimetric determination of promazine, chlorpromazine, promethazine, imipramine and ciprofloxacin hydrochlorides in pure form, drug formulations and urine, MIKROCH ACT, 134(1-2), 2000, pp. 9-14
Authors:
Shoukry, AF
Abdel-Ghani, NT
Issa, YM
Ahmed, HM
Citation: Af. Shoukry et al., Plastic membrane selective electrode for cetirizinium ion based on cetirizinium-tetraphenylborate ion-pair, ELECTROANAL, 11(6), 1999, pp. 443-446
Authors:
Issa, YM
Badawy, SS
El-Hawary, WF
Ashour, MS
Citation: Ym. Issa et al., Cetyltrimethylammonium-selective PVC electrode based on its trinitrobenzene sulfonate ion-pair, ELECTROANAL, 11(14), 1999, pp. 1063-1067
Authors:
Roushdy, MI
Issa, YM
El-Zein, SM
Harb, FMSE
Citation: Mi. Roushdy et al., Potentiometric and conductometric studies on Fe3+, Ni2+, and Cu2+ complexes with some hydroxamic acid derivatives, MATER CH PH, 58(2), 1999, pp. 182-186
Authors:
El-Bahnasawy, RM
El-Tabl, AS
El-Shereafy, E
Kashar, TI
Issa, YM
Citation: Rm. El-bahnasawy et al., Mononuclear and binuclear copper(II) complexes of phenylhydrazoacetylacetone isonicotinoylhydrazone, POL J CHEM, 73(12), 1999, pp. 1925-1935
Authors:
Issa, YM
Abdel-Ghani, NT
El-Ghar, MFA
Citation: Ym. Issa et al., Ligational behaviour of electrochemically synthesized copper(II) complexesof diethyl 2,3-dioxopentanedioate-2-arylhydrazone derivatives, SYN REAC IN, 29(9), 1999, pp. 1593-1609
Authors:
Issa, YM
Sherif, OE
Abbas, SM
Citation: Ym. Issa et al., Preparation and investigation of Ce(III), Th(IV) and U(VI) chelates with some Schiff bases derived from 5,7-dihydroxy-6-formyl-2-methylbenzopyran-4-one, SYN REAC IN, 29(5), 1999, pp. 897-918
Authors:
Issa, YM
Abdel-Latif, SA
Abu-El-Wafa, SM
Abdel-Salam, HA
Citation: Ym. Issa et al., Synthesis and characterization of Cu(II) complexes with new mandelic hydrazones, SYN REAC IN, 29(1), 1999, pp. 53-71
Authors:
Moustafa, ME
Issa, YM
El-Hawary, WF
Refaat, M
Citation: Me. Moustafa et al., Synthesis and analytical application of the complexes of 4-methylesculetinazo compounds with some transition metal ions, SPECT LETT, 32(5), 1999, pp. 829-840
Authors:
Issa, YM
Abdel-Ghani, NT
Shoukry, AF
Ahmed, HM
Citation: Ym. Issa et al., Amineptine plastic membrane electrode based on its ion associate with tetraphenylborate and phosphomolybdic acid, MIKROCH ACT, 132(1), 1999, pp. 83-88
Authors:
Amin, AS
Issa, YM
Citation: As. Amin et Ym. Issa, Utility of the ion-pair formation for spectrophotometric determination of terfenadine in pure form and in some pharmaceutical formulations, MIKROCH ACT, 130(3), 1999, pp. 173-179
Authors:
Ghani, NTA
Issa, YM
Mikosch, H
Bauer, G
Citation: Nta. Ghani et al., Spectral studies and normal coordinate analysis of some symmetric 1,5-diaryl-3-cyanoformazans, MICROCHEM J, 61(2), 1999, pp. 85-93