Testing water - Determination of sodium and potassium - Atomic absorption spectrometry method
Edition 1984-08-01

Testing water - Determination of sodium and potassium - Flame emission spectrometry method
Edition 1984-08-01

Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide
Edition 2024-04-17

Fertilizers - Determination of the water-soluble potassium content
Edition 2009-04

Solid biofuels - Determination of the water soluble chloride, sodium and potassium content
Edition 2015-02

Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide
Edition 2024-04

Oilseed meals - Determination of soluble proteins in potassium hydroxide solution
Edition 2014-02

Characterization of sludges - Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride
Edition 2007-04-30

Analysis of extract solutions of glass. Method for determination of sodium oxide and potassium oxide by flame spectrometric methods
Edition 1993-09-15

Method for determination of sodium, potassium, calcium and magnesium contents of fruit and vegetable juices by atomic absorption spectrometry
Edition 1995-01-15