Paper, board and pulps - Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium
Edition 2012-07-27

Pulp - Determination of pentosans - Volumetric method using potassium bromate-bromide
Edition 1998-04-30

Liquid caustic soda - Determination of iron - Spectrophotometric methods - Orthophenanthroline (method A) and potassium thiocyanate (method B)
Edition 2004-02-27

Hydrochloric acid - Determination of iron - Spectrophotometric methods - Orthophernanthroline (method A) and potassium thiocyanate (method B)
Edition 2005-12-30

Sodium hipochlorite - Determination of iron - Spectrophotometric methods - Orthophenanthroline (method A) and potassium thiocyanate (method B)
Edition 2005-05-31

Water quality - Determination of oxygen consumed - Potassium permanganate method - Method of test
Edition 1989-09-30

Water - Determination of potassium by flame emission photometric method
Edition 1997-04-30

Water - Determination of sodium and potassium spectrometric method by flame atomic absorption
Edition 1997-04-30

Fat and oil product derivatives - Fatty acid methyl/ethyl esters - Determination of potassium content by atomic absorption spectrometry
Edition 2008-01-14

Photography; processing chemicals; specifications for potassium hydroxide
Edition 1994-05