water keeps you and your body more form to keep you alive. When liquid is extracted, the concentration of of solute is increased. This may cause solid precipitation of chemicals mixed with the liquid...
To 2 mL of serum, add 100 mcl concentrated ammonium hydroxide and 5 ml of hexane/isoamyl alcohol (98%/2% v/v). Extract and centrifuge for 5 minutes. Dry under nitrogen stream at 55 degrees celsius....
The answer of this question is similar to the questions why solids are solid and gases are gas? The answer is that in solids the intermolecular forces between the atoms of solid is very strong and...