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Table of Contents
Table of Contents
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Restek Ultra II HPLC Columns - The Choice for All u-HPLC Systems 1 -
Topics for Today 2 -
The Goal of Restek HPLC 3 -
The End Result of this Project - Ultra II LC Columns 4 -
What is Ultra II 5 -
The Restek HPLC Portflio 6 -
The Ultra II HPLC Column Family 7 -
LC Column Selection System 8 -
When to Choose C18/C8 Columns 9 -
Restek Alkyl Phases 10 -
Alkyl C8/C18 Phases 11 -
Modified Alkyl Phases 12 -
Example : Hydoxybenzoic Acids 13 -
Separation of Hydroxybenzoic Acids - Example 14 -
When NOT to Choose C18 Columns 15 -
Stationary Phase Selectivity 16 -
Stationary Phase Ligands 17 -
Retention and Selectivity of Fluoroquinolones 18 -
Stationary Phase Chemistries 19 -
Fluoroquinilone Stationary Phase Selection 20 -
Example : Steroid Hormones 21 -
Comparing Alkyl and Phenyl Phases 22 -
Aromatic Selectivity 23 -
Biphenyl Retention and Selectivity - Analysis of Steroids 24 -
Ultra II Cab be Used on ALL u-HPLC Systems 25 -
Ultra II for Conventional to u-HPLC 26 -
Ultra II u-HPLC Columns 27 -
Ultra II uHPLC Columns - other LC Manufacturers 29 -
Advantages of Small Particle Packings 30 -
Methoc Optimisation 31 -
USP Method Impurity Analysis of Antacid Tablets 32 -
Allure C18 33 -
Ultra II Aromax 34 -
Analytical Comparison - Impurity Analysis 37 -
NSAIDS on Ultra II Biphenyl 38 -
Far-Soluble Vitamins on Ultra II C18 39 -
Organic Acids on Ultra II Aqueous C18 40 -
Final Thought on Ultra II 41