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Surface active agents. Determination of quaternary ammonium surface active agents in raw materials and formulated products. Potentiometric two-phase titration method. Original standard BS EN 14668-2005 (2006) in PDF full version. Additional info + preview on request

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Surface active agents. Determination of anionic surface active agents and soaps in detergents and cleansers. Potentiometric two-phase titration method. Original standard BS EN 14669-2005 in PDF full version. Additional info + preview on request

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Natural stone. Rough blocks. Requirements. Original standard BS EN 1467-2022 in PDF full version. Additional info + preview on request

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Surface active agents. Sodium dodecyl sulfate. Analytical method. Original standard BS EN 14670-2005 in PDF full version. Additional info + preview on request

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Characterization of sludges. Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride. Original standard BS EN 14671-2006 (2007) in PDF full version. Additional info + preview on request

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Characterization of sludges. Determination of total phosphorous. Original standard BS EN 14672-2005 (2006) in PDF full version. Additional info + preview on request

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