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ISO 740:1976
M00003642
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ISO 740:1976 Sodium carbonate for industrial use -- Determination of total soluble alkalinity -- Titrimetric method
standard by International Organization for Standardization, 02/01/1976
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Specifies a titrimetric test method for the determination of the basicity of soluted material. The principle of the procedure consists in solution of a test portion in water, filtration of the solution and titration with a standard volumetric solution of hydrochloric acid in presence of methyl orange as indicator. Repaces ISO Recommendation R 740-1968.