Solid biofuels - Determination of the water soluble chloride, sodium and potassium content (Adopted ISO 16995:2015, first edition, 2015-02-15)
Edition 2015-11-01

Hardmetals; Chemical analysis by flame atomic absorption spectrometry; Part 2 : Determination of calcium, potassium, magnesium and sodium in contents from 0,001 to 0,02 % (m/m)
Edition 1983-10

Iron ores - Determination of potassium - Flame atomic absorption spectrometric method
Edition 2019-04-15

Biodiesel - Determination of calcium, magnesium, sodium, phosphorus and potassium content by inductively coupled plasma optical emission spectrometry (ICPOES)
Edition 2019-07-10

Biodiesel - Determination of sodium, potassium, magnesium and calcium content by atomic absorption spectrometry
Edition 2020-10-29

Portland cement - Chemical analysis Part 11: Determination of sodium oxide and potassium oxide by flame photometry
Edition 2023-06-15

Jewellery and precious metals - Determination of silver - Potentiometry using sodium chloride or potassium chloride
Edition 2024-05-01

Jewellery and precious metals - Determination of silver in silver alloys - Potentiometry using sodium chloride or potassium chloride

Animal feeding stuffs - Enzymatic determination of starch - Part 2: Method by enzymatic determination with a hexokinase system and potassium hydroxide dispersion

Potash fertilizers - Determination of potassium content - Flame photometric method
Edition 2013-02-16