Detection of hydrogen sulphide production by microorganisms.
Test for Iron in water
Test for fluoride in water is fully based on titration method.
Arsenic Test in Water with blue colour appearance.
Biochemical oxygen demand Test kits for measuring Biological Oxygen Demand in water and wastewater
Lead Test Kit results a deep orange colour indicates the presence of lead.
Eriochrome Black T complexometric metal indicator solution
TPTZ method is most common method for low range Iron determination from the sample.