GB - Chinese national standards

Surface active agents - Determination of mineral sulfate content - Titrimetric method

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Surface active agents - Preparation of water with known calcium hardness

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Surface active agents - Determination of pH of aqueous solution - Potentiometric method

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Surface active agents - Determination of emulsifying power - Colorimetric method

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Chemical reagent - Sodium thiosulfate pentahydrate

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Surface active agents - Anionic surface active agents - Determination of solubility in water

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Surface active agents - Textile auxiliaries - Determination of detergency

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Surface active agents and detergents - Methods of sample division

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Surface active agents - Determination of apparent density

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Rock drilling machines and pneumatic tools—Shanks and fitting dimensions of chuck bushings

Available languages: English, Chinese

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