Читать книгу Process Gas Chromatographs - Tony Waters - Страница 77

These questions relate to gas‐liquid chromatography:

1 Q1. At what speed do component molecules move along the column when they are in the gas phase?

2 Q2. At what speed do component molecules move along the column when they are in the liquid phase?

3 Q3. What causes the separation between components?

4 Q4. What information may be derived from the retention time of an unretained peak, such as air?

5 Q5. If all the liquid phase was washed out of the column, where would all the peaks be on the chromatogram?

6 Q6. What causes the additional retention time beyond the holdup time?

7 Q7. What is the purpose of triangulating a peak?Check your SAQ answers with those given at the end of the book.