IS 7017 : 1973 Method of colorimetric determination of traces of heavy metals by dithizone

UDC 543.432 : 543.064 : 546.3 CHD 1

Reaffirmed 2024

1 Scope

1.1 This standard prescribes the calorimetric method ofdetermination of traces of heavy metals (as lead) by dithizonemethod.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1070 : 1960Specification for water, distilled quality

IS 4161 : 1967Specification for Nessler cylinders