Aqueous/ Non-aqueous Acidimetry or Alkalimetry

Aqueous Alkalimetry

Volumetric Solutions are NaOH and KOH

Aqueous Alkalimetry

Primary Standard is K biphthalate

Aqueous Alkalimetry and Acidimetry

Indicator to be use:

• Methyl Orange

• Methyl Red

• Phenolphthalein

Aqueous Alkalimetry

Direct Titration Assay (example)

• HC

• H3PO4

• Boric acid

Aqueous Alkalimetry

Residual Titration Assay (example)

• Aspirin

Non-aqueous Alkalimetry

Volumetric Solution are Li methoxide and Na methoxide

Non-aqueous Alkalimetry

Primary Standard is Benzoic acid

Non-aqueous Alkalimetry

Indicator to be used is Azo-violet

Non-aqueous Alkalimetry

Direct Titration Assay (example)

• Phenytoin

• Pentobarbital

Aqueous Acidimetry

Volumetric Solution are H2SO4 and HCl

Non-aqueous Acidimetry

Indicator to be used are Crystal Violet and Malachite Green

Non-aqueous Acidimetry

Direct Titration Assay (example)

• Methacholine

• Bisacodyl

• Diazepam

• Epinephrine

Aqueous Acidimetry

Direct Titration Assay (example):

• Caffeine

• NaOH

• NaCO3

• NaHCO3

• Na salicylate

Aqueous Acidimetry

Residual Titration Assay (example)

• Milk of Magnesia

• Zinc Oxide

• Sodium Potassium tartrate