IS 4309 : 1979 Method of measurement on direct reading pH meters

1 Scope

1.1 This standard prescribes the conditions and the detailedprocedures for the measurement of performance characteristics ofdirect reading pH meters covered by IS 2711 : 1966.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 2711 : 1966Specification for direct reading pH meters