1. What is the difference between distribution coefficient and distribution ratio? 2 How does SPE differ from solvent extraction?. , What are the categories of stationary phases used in SPE?. 4. What is the most common extracting material for SPE?. Why? 5. How to carry out SPE for a liquid sample?. How to connect the SPE to GC and HPLC instruments in order to analyze the gnglytes?. 6. List common analytical apps for SPE? 7. What is sample preparation in analytical chemistry?. WHY are we doing that? 8. Explain the principle 5 different sample preparation techniques?. List 2 apps for each. 9. Describe two equilibrium processes involved in solvent extraction systems for metal ions. give an example for each. 10. What is a supercritical gas? What is the function of a modifier?. 11. What are some characteristics that make supercritical fluid extraction attractive?. What kind of samples that can be extracted by supercritical fluid?. 12. What are attractive feature of SPME? 13 Erplain how solid-phase ISAORASTUOA Works?. What are the attractive features of SPME? 14. Explain how solid-phase iscOSKKOSSien can be used to eliminate matrix effects?.
1. What is the difference between distribution coefficient and distribution ratio? 2 How does SPE differ from solvent extraction?. , What are the categories of stationary phases used in SPE?. 4. What is the most common extracting material for SPE?. Why? 5. How to carry out SPE for a liquid sample?. How to connect the SPE to GC and HPLC instruments in order to analyze the gnglytes?. 6. List common analytical apps for SPE? 7. What is sample preparation in analytical chemistry?. WHY are we doing that? 8. Explain the principle 5 different sample preparation techniques?. List 2 apps for each. 9. Describe two equilibrium processes involved in solvent extraction systems for metal ions. give an example for each. 10. What is a supercritical gas? What is the function of a modifier?. 11. What are some characteristics that make supercritical fluid extraction attractive?. What kind of samples that can be extracted by supercritical fluid?. 12. What are attractive feature of SPME? 13 Erplain how solid-phase ISAORASTUOA Works?. What are the attractive features of SPME? 14. Explain how solid-phase iscOSKKOSSien can be used to eliminate matrix effects?.
Chapter14: Chromatography
Section: Chapter Questions
Problem 6P
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