ISO 7525:1985Withdrawn

Nickel — Determination of sulfur content — Methylene blue molecular absorption spectrometric method after generation of hydrogen sulfide

Nickel — Dosage du soufre — Méthode par spectrométrie d'absorption moléculaire au bleu de méthylène après distillation d'acide sulfhydrique

Abstract / scope

Applies to the determination of the sulfur content of refined nickel in the range 0,0001 to 0,002 % (m/m). Specifies principle, reagents and materials, apparatus, sampling and samples, procedure, expression of results, some notes and test report.