Mechanical engineering

Mechanical engineering

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Liquid caustic soda - Determination of the total alkalinity - Potentiometric/titrimetric method

Standard [CURRENT] 2017-09-18

ABNT NBR 8140:2017-09-18

Liquid caustic soda - Determination of the total alkalinity - Potentiometric/titrimetric method

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SURFACE ACTIVE AGENTS. SODIUM HYDROXIDE TO BE USED AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF MERCURY CONTENT. FLAMELESS ATOMIC ABSORPTION SPECTROMETRIC METHOD

Standard [CURRENT] 1984-12-15

UNE 55614:1984-12-15

SURFACE ACTIVE AGENTS. SODIUM HYDROXIDE TO BE USED AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF MERCURY CONTENT. FLAMELESS ATOMIC ABSORPTION SPECTROMETRIC METHOD

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Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)

Standard [CURRENT] 2018

ASTM E 291:2018

Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)

1.1 These test methods cover only the analyses usually required on the following commercial products: 1.1.1 Caustic soda (sodium hydroxide), 50 and 73% liquors; anhydrous (solid, flake, ground, or ...

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Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography

Standard [CURRENT] 2025

ASTM E 1787:2025

Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography

1.1 This test method covers the determination of anionic impurities in 50 % caustic soda (sodium hydroxide) and 50 % caustic potash (potassium hydroxide) solutions using ion chromatography (IC).

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