1. Karl Fischer is an analytical technique used to measure the moisture content (water content) in solids, liquids or gases.

2. Karl Fischer was a chemist working at a petrochemical company in Germany in the 1930's. He developed the technique.

3. Titration is defined as "A technique to determine the concentration of a substance in solution by adding to it a standard reagent of known concentration in carefully measured amounts until a reaction of definite and known proportion is completed, as shown by a color change or by electrical measurement, and then calculating the unknown concentration."