IS 12557 : 1988 Sodium pyrophosphate for electroplating

UDC 661.883.456 : 621.357.7 CHD 5
Reaffirmed 2019

1 Scope

1.1 This standard prescribes the requirements, methods ofsampling and tests for sodium pyrophosphate for electroplating.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 264 : 1976Specification for nitric acid

IS 265 : 1976Specification for hydrochloric acid

IS 797 : 1982Specification for common salt for chemical industry

IS 1070 : 1977Specification for water for general laboratory use

IS 4905 : 1968Methods for random sampling