Methods of test for petroleum and its products. Determination of potassium in gasoline. Atomic absorption spectrometry (AAS) method
Edition 2000-05-15

Fat and oil derivatives - Fatty acid methyl esters (FAME) - Determination of potassium content by atomic absorption spectrometry
Edition 2003-05-15

Methods of sampling and test for sodium and potassium silicates for industrial use. General introduction
Edition 1981-02-27

Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of total alkali content
Edition 1981-02-27

Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of carbonate content
Edition 1981-02-27

Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of iron content
Edition 1981-02-27

Milk and milk products. Determination of calcium, sodium, potassium and magnesium contents. Atomic absorption spectrometric method
Edition 2007-09-28

Animal feeding stuffs - Determination of potassium and sodium contents - Methods using flame-emission spectrometry
Edition 2000-08

Zinc chromate pigments; basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments; technical corrigendum 1
Edition 1992-11

Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:2014)