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Aluminium and aluminium alloys. Determination of iron. Orthophenanthroline photometric method
STANDARD published on 1.11.1992
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Designation standards: STN ISO 793
Classification mark: 420672
Catalog number: 62001
Publication date standards: 1.11.1992
SKU: NS-545087
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN
Tato mezinarodni norma urcuje fotometrickou metodu pro stanoveni zeleza v hliniku a ve slitinach hliniku. Metoda je pouzitelna pro stanoveni zeleza od 0,05 procent do 2,50 procent. Metoda neni plne pouzitelna v nasledujicich pripadech, pro ktere by mela byt upravena tak, jak je uvedeno v priloze A nebo v priloze B: a) nelegovany hlinik, slitiny hlinik-kremik a jine slitiny hliniku, obtizne rozpustne v kyseline chlorovodikove; b) slitiny obsahujici med (obsah medi nad 5 procent) , zinek (obsah zinku nad 4 procent), nikl (obsah niklu nad 2 procent) , nebo slitiny s takovou vzajemnou kombinaci techto prvku, aby jejich celkovy obsah nebyl vyssi nez 5 procent.
1.11.1992
1.11.1992
1.11.1992
1.11.1992
1.9.1993
1.9.1993
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