IS 4027 : Part 4 : 1987 Methods of chemical analysis of bronzes Part 4 Determination of nickel-dimethylglyoxime photometric method

1 Scope

1.1 This standard (Part 4) prescribes a method for determinationof nickel in the range as specified in the relevant IndianStandards on bronzes.

Note - This method is not applicable to aluminium bronze andaluminium-silicon bronzes where nickel is 4 to 5 Percent.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 264 : 1976Specification for nitric acid

IS 1070 : 1977Specification for water for general laboratory use

IS 1817 : 1961 Methodof sampling non-ferrous metals for chemicalanalysis

IS 4027 : 1967 Methods of chemical analysis ofbronzes