IS 9497 : 1980 Method for determination of sodium and potassium (flame photometric)

1 Scope

1.1 This standard prescribes method for the estimation of sodiumand potassium by flame photometer.

2 References

IS 2 : 1960 Rulesfor rounding off numerical values

IS 264 :1976Specification for nitric acid

IS 265 :1976Specification for hydrochloric acid

IS 460 : Part I :1978 Specification for test sieves :Part I Wire cloth test sieves

IS 460 : Part II :1978 Specification for test sieves:Part II Perforated plate test sieves

IS 1070 :1977Specification for water for general laboratoryuse