ISO 9062:1992

Acid-grade and ceramic-grade fluorspar — Determination of manganese content — Periodate spectrometric method

Applicable to products having Mn-contents in the range 0,006 % to 0,4 %. Decomposition of the test portion with nitric and perchloric acids. After dilution follows oxidation of manganese to permanganate with sodium metaperiodate. Spectrometric measurement at 545 nm.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

73.080

Statut:

Annulée

Date de Publication:

1992-12-16

Numéro Standard:

ISO 9062:1992