9783639769715 - Synthesis & characterization new polymers as stationary phase in HPLC de Ali Noor M.; Bakir Emaad T.; Nassori Nabil S. (9 resultados)

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Taschenbuch. Condición: Neu. Synthesis & characterization new polymers as stationary phase in HPLC | Noor M. Ali (u. a.) | Taschenbuch | 140 S. | Englisch | 2015 | Scholars' Press | EAN 9783639769715 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.

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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -New method for measured the hypertension drugs by one run in HPLC. Two cross like polymer were prepared. first polymer was synthesized by condensation reaction between glycerol triethanol amine with maleic anhydride. The second polymer was synthesized by addition polymerization of free radical for acrylamide, bisacrylamide with ammonium persulphate and TEMED. The products and used as stationary phase for HPLC. This stationary phase has been packed into stainless steel column. The chromatographic performances of the newly packed columns are characterized.N,H, and were measured. Amiloride, furosmide, and atenolol were separated with 1st column gradient eluention of (0-20)% pH 8 with methanol and 2nd column gradient eluention of (0-10)% pH 6. Furthermore tyrosine, Tryptophane and Phenylalanine were also examined with 1st column with isocratic eluention 15% pH 6 in 85 ethanol and 2nd column gradient eluention (0-15)% pH 6 in ethanol .Vitamin E was also using 1st column column and 100% acetonitrile.The separation of these compounds on these two columns was compared with their separation on C-18 commercial column 140 pp. Englisch.

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Taschenbuch. Condición: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - New method for measured the hypertension drugs by one run in HPLC. Two cross like polymer were prepared. first polymer was synthesized by condensation reaction between glycerol triethanol amine with maleic anhydride. The second polymer was synthesized by addition polymerization of free radical for acrylamide, bisacrylamide with ammonium persulphate and TEMED. The products and used as stationary phase for HPLC. This stationary phase has been packed into stainless steel column. The chromatographic performances of the newly packed columns are characterized.N,H, and were measured. Amiloride, furosmide, and atenolol were separated with 1st column gradient eluention of (0-20)% pH 8 with methanol and 2nd column gradient eluention of (0-10)% pH 6. Furthermore tyrosine, Tryptophane and Phenylalanine were also examined with 1st column with isocratic eluention 15% pH 6 in 85 ethanol and 2nd column gradient eluention (0-15)% pH 6 in ethanol .Vitamin E was also using 1st column column and 100% acetonitrile.The separation of these compounds on these two columns was compared with their separation on C-18 commercial column.

Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -New method for measured the hypertension drugs by one run in HPLC. Two cross like polymer were prepared. first polymer was synthesized by condensation reaction between glycerol triethanol amine with maleic anhydride. The second polymer was synthesized by addition polymerization of free radical for acrylamide, bisacrylamide with ammonium persulphate and TEMED. The products and used as stationary phase for HPLC. This stationary phase has been packed into stainless steel column. The chromatographic performances of the newly packed columns are characterized.N,H,¿ and ¿ were measured. Amiloride, furosmide, and atenolol were separated with 1st column gradient eluention of (0-20)% pH 8 with methanol and 2nd column gradient eluention of (0-10)% pH 6. Furthermore tyrosine, Tryptophane and Phenylalanine were also examined with 1st column with isocratic eluention 15% pH 6 in 85 ethanol and 2nd column gradient eluention (0-15)% pH 6 in ethanol .Vitamin E was also using 1st column column and 100% acetonitrile.The separation of these compounds on these two columns was compared with their separation on C-18 commercial columnVDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 140 pp. Englisch.