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Ambient air quality. Standard method for measurement of benzene concentrations. Diffusive sampling followed by solvent desorption and gas chromatography.
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Information technology. Open-edi reference model.
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Plastics. Ethylene/vinyl alcohol (EVOH) copolymer moulding and extrusion materials. Designation system and basis for specifications.
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Foodstuffs. Determination of vitamin B6 (including its glycosylated forms) by HPLC.
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Chemicals used for treatment of water intended for human consumption. Iron (III) sulfate, solid.
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Tracked Changes. Chemicals used for treatment of water intended for human consumption. Iron (III) sulfate, solid.
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Surface active agents. Determination of tetraacetyl ethylene diamine (TAED) content in TAED granules. Gas chromatographic method.
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Surface active agents. Determination of low boiling solvents in liquid formulations. Gas chromatographic method.
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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.
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Surface active agents. Determination of anionic surface active agents and soaps in detergents and cleansers. Potentiometric two-phase titration method.
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