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UNE 77324
Soil quality - Determination of phosphorus - Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution.
Edition
2003-04-25
UNE 53985-5
Plastics. Test methods for polyuretane raw materials. Polyols. Part 5: Determination the sodium and potassium content.
Edition
2008-04-23
ABNT NBR 17086-11
Portland cement - Chemical analysis Part 11: Determination of sodium oxide and potassium oxide by flame photometry
Edition
2023-06-15
ABNT NBR 15556
Biodiesel - Determination of sodium, potassium, magnesium and calcium content by atomic absorption spectrometry
Edition
2020-10-29
ABNT NBR 13583
Portland cement - Determination of volumetric change of Portland cement mortar bars exposed to sodium sulphate solution
Edition
2014-02-05
ABNT NBR 15554 Versão Corrigida
Fat and oil product derivatives - Fatty acid methyl/ethyl esters - Determination of sodium content by atomic absorption spectrometry
Edition
2008-01-14
ABNT NBR 13189
Calculation of nominal gassing time on specimen made with sodium silicate standard mixture for foundry - Procedure
Edition
1994-08-30
ABNT NBR 14002
Pulps - Determination of solubility in solutions of sodium hydroxide - Method of ammonium iron sulphate
Edition
1997-11-30
ABNT NBR ISO 12830
Paper, board and pulps - Determination of acid-soluble magnesium, calcium, manganese, iron, copper, sodium and potassium
Edition
2012-07-27
ASTM E 2098/E 2098M
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