Page 76 - Analytical Chemistry I E-book

• Indirect titrations: Sample (X) does not react with titrant (Y), therefore

chemical modification is done to the sample to be titrated with the

titrant.

Chemical reaction

Step 1: Sample (X) ⎯⎯⎯⎯⎯⎯⎯⎯→ modified sample (XꞋ)
Step 2: Modified sample (XꞋ) # titrant (Y) using a suitable indicator.