Phenols are important starting materials in chemical and pharmaceutical industries. They are widely used as coloring agents, indicators and disinfectants. Phenols can be found both in industrial discharges and in natural waters. The presence of phenols in water, even in very low concentrations, can cause an unpleasant odor.

• Method: Checker Disc
• Range:  0.00-1.00 mg/L; 0.5-5.0 mg/L
• Smallest Increment:  0.02 mg/L; 0.1 mg/L
• Chemical Method: Aminoantipyrine
• Number of Tests: 100
• Weight: 573 g