Liquid-Liquid Extraction (Lecture 10) Flashcards
1
Q
What is Kd?
A
partition coefficient
2
Q
What is the effect of pH on KD?
A
If a solute is an acid or a base, its charge changes as the pH changes.
Usually a neutral species is more soluble in an organic phase.
Usually a charged species is more soluble in an aqueous phase.
3
Q
When is D is used instead of KD?
A
when dealing with ionisable species
