Soil quality - Determination of phosphorus - Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution.
Edition 2003-04-25

Plastics. Test methods for polyuretane raw materials. Polyols. Part 5: Determination the sodium and potassium content.
Edition 2008-04-23

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

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

Portland cement - Determination of volumetric change of Portland cement mortar bars exposed to sodium sulphate solution
Edition 2014-02-05

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

Calculation of nominal gassing time on specimen made with sodium silicate standard mixture for foundry - Procedure
Edition 1994-08-30

Pulps - Determination of solubility in solutions of sodium hydroxide - Method of ammonium iron sulphate
Edition 1997-11-30

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

Standard Test Method for Determining Tensile Breaking Strength of Glass Fiber Reinforcing Mesh for Use in Class PB Exterior Insulation and Finish Systems (EIFS), after Exposure to a Sodium Hydroxide Solution
Edition 2013