Lec 14

Question 1

Determine solid- liquid extraction by

Answer 1

1) soxhlet
2) supercritical fluid extraction
3) subcritical extraction
4) pressurised liquid extraction

Question 2

What is supercritical water extraction

Answer 2

-separating one component to another using subcritical water as extracting solvent

Question 3

Soxhlet pros and cons

Answer 3

Pros: high % extraction, fresh solvent is contact with sample and extraction can be run unattended

Cons: slow extraction,large solvent consumption and solvent extraction step is needed