All. It depends on the lab setup, equipment, and expertise.
I’m sorry I’m really not sure how to answer this but have to respond to have this app I hope you have a good day:)
Answer:
Pencil is always used to mark chromatography paper or TLC plates because ink may run and interfere with the chromatogram. ... As soon as the paper/plate is taken out, mark the solvent front with a pencil before the solvent evaporates and the front becomes impossible to see.
I need points lol sorry for wasting ur time we
Answer:
Ionic bonds
Explanation:
It rymes. haha i dont even know how to spell it! ;)