Magnesium alloys — Determination of soluble zirconium — Alizarin sulphonate photometric method
NORMA vydána dne 1.3.1976
Označení normy: ISO 1178:1976-ed.2.0
Datum vydání normy: 1.3.1976
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Mezinárodní technická norma
Kategorie: Technické normy ISO
Description / Abstract: The method is applicable to alloys having zirconium contents between 0,1 and 1,0 % (m/m). However the method is not applicable completely to alloys having lead and/or bismuth (see annex). Rare earths, thorium and silver do not interfere. Specifies principle and procedure of the method, the reagents, apparatus, sampling, expression of results and test report.