Jewellery and precious metals. Determination of silver. Potentiometry using potassium bromide
Edition 2024-04-19

Iron ores - Determination of potassium - Flame atomic absorption spectrometric method
Edition 2017-03

Photography - Processing chemicals - Specifications for potassium sulfite, 650 g/l solution
Edition 2000-12

Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium and potassium by flame emission spectrometry
Edition 1993-09-15

Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of potassium by atomic absorption spectrometry
Edition 1993-09-15

Fertilizers. Chemical analysis. Determination of potassium. Preparation of the test solution for determination of water-soluble potassium content
Edition 1983-12-30

Fertilizers. Chemical analysis. Determination of potassium. Preparation of the test solution for determination of acid-soluble potassium content
Edition 1983-12-30

Fertilizers - Determination of the water-soluble potassium content
Edition 2009-04-01

Oilseed meals - Determination of soluble proteins in potassium hydroxide solution
Edition 2016-09-17

Solid biofuels - Determination of the water soluble chloride, sodium and potassium content
Edition 2015-04-11