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NF V04-355 ; NF ISO 8070:2007-11-01
Milk and milk products - Determination of calcium, sodium, potassium and magnesium contents - Atomic absorption spectrometric method
Edition
2007-11-01
NF X33-023 ; NF EN 14671:2006-10-01
Characterization of sludges - Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride
Edition
2006-10-01
SN EN ISO 14244
Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014)
Edition
2016-11
SN EN ISO 16995
Solid biofuels - Determination of the water soluble chloride, sodium and potassium content (ISO 16995:2015)
Edition
2015-04
SN EN 14671
Characterization of sludges - Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride
Edition
2006-09
SN EN ISO 11427
Jewellery and precious metals - Determination of silver - Potentiometry using potassium bromide (ISO 11427:2024)
Edition
2024-04
ASTM D 5086
Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
Edition
2020
ASTM E 291
Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)
Edition
2018
ASTM E 1787
Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography
Edition
2016
ASTM D 3561
Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
Edition
2016