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Paint and Coatings Industry Standards
ISO 3856-3:1984 ISO 3856-3:1984 Paints and varnishes -- Determination of "soluble" metal content -- Part 3: Determination of barium content -- Flame atomic emission spectrometric method
The principle consists in the aspiration of the test solution into a dinitrogen monoxide/acetylene flame. Measurement of the radiation emitted by barium at a wavelength of 553,5 nm.
