IS 326 : Part 14 : 1985 Methods of sampling and test for natural and synthetic perfumery materials (Part 14) Determination of heavy metals

1 Scope

1.1 This standard prescribes the method for determination ofheavy materials, namely, copper or lead present in natural andSynthetic perfumery materials by using an absorptiometric method.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 264 : 1976Specification for nitric acid

IS 265 : 1976Specification for hydrochloric acid

IS 326 : 1968Methods of sampling and test for natural and syntheticperfumery materials

IS 2088 : 1983Methods for determination of arsenic

IS 4161 : 1967Specification for Nessler cylinders