IS 3025 : Part 52 : 2003 Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater - Part 52 : Chromium

1 Scope

1.1 This standard prescribes two methods for the determinationof chromium:

a) Diphenylcarbazide method, and

b) Atomic absorption method.

1.2 Depending upon the concentration range and interferencelevels, choice of the method is made.

2 References

IS 3025 : Part 1 : 1987 Methods of sampling and test (physical andchemical) for water and wastewater: Part 1 Sampling

IS 7022 : Part 1 : 1973 Glossary of terms relating to water,sewage and industrial effluents, Part 1

IS 7022 : Part 2 : 1979 Glossary of terms relating to water,sewage and industrial effluents, Part 2