EFFECTS OF TEMPERATURE AND PERCENTAGE OF ORGANIC MODIFIER ON RETENTION AND SELECTIVITY IN RP-HPLC USING SOLVATION PARAMETER MODEL

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HAJ MOHAMMADI M.R.; POURGHASEM GHADY F.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: Journal of Sciences, Islamic Republic of Iran Year:2003 | Volume:14 | Issue:4 Page(s): 337-340

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Title

EFFECTS OF TEMPERATURE AND PERCENTAGE OF ORGANIC MODIFIER ON RETENTION AND SELECTIVITY IN RP-HPLC USING SOLVATION PARAMETER MODEL

Author(s)

HAJ MOHAMMADI M.R. | POURGHASEM GHADY F. | Issue Writer Certificate

Keywords

REVERSED-PHASE LIQUID CHROMATOGRAPHY; SOLVATION PARAMETER MODEL

Abstract

Effects of temperature and percentage of organic modifier were studied on retention and selectivity in RP-HPLC using solvation parameter model. The system constants were determined by multiple linear regression analysis from experimental values in the retention factor for a group of different solutes with known descriptors by computer using the program SPSS/PC. The experimental results showed that the variation of percentages of organic modifier (5-20% V/V CH3CN) changes cavity formation (m = +3.55 to +2.53), dipole-dipole interactions (s = +0.62 to -0.64) and hydrogen-bond acidity (b = -2.41 to -3.27) terms. The variation of temperature (5-45°C) also changes cavity formation (m = +3.21 to +2.56) and dipole-dipole interactions (s = +0.34 to -0.22) terms.

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APA: Copy

HAJ MOHAMMADI, M.R., & POURGHASEM GHADY, F.. (2003). EFFECTS OF TEMPERATURE AND PERCENTAGE OF ORGANIC MODIFIER ON RETENTION AND SELECTIVITY IN RP-HPLC USING SOLVATION PARAMETER MODEL. JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN, 14(4), 337-340. SID. https://sid.ir/paper/532069/en

Vancouver: Copy

HAJ MOHAMMADI M.R., POURGHASEM GHADY F.. EFFECTS OF TEMPERATURE AND PERCENTAGE OF ORGANIC MODIFIER ON RETENTION AND SELECTIVITY IN RP-HPLC USING SOLVATION PARAMETER MODEL. JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN[Internet]. 2003;14(4):337-340. Available from: https://sid.ir/paper/532069/en

IEEE: Copy

M.R. HAJ MOHAMMADI, and F. POURGHASEM GHADY, “EFFECTS OF TEMPERATURE AND PERCENTAGE OF ORGANIC MODIFIER ON RETENTION AND SELECTIVITY IN RP-HPLC USING SOLVATION PARAMETER MODEL,” JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN, vol. 14, no. 4, pp. 337–340, 2003, [Online]. Available: https://sid.ir/paper/532069/en

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