STN ISO 793
Name: | STN ISO 793 |
Validity: | Valid |
Number of pages: | 8 |
Language: |
CS
|
Paper: | 9,70€ |
Electronic version |
a) Only read (without ability to print and copy)
8,73€ b) Without ability to print, with ability to copy (printscreen) 9,70€ c) With ability to print and copy (printscreen) 12,61€ |
Slovak title | Hliník a zliatiny hliníka. Stanovenie železa metódou fotometrickou s ortofenantrolínom |
English title | Aluminium and aluminium alloys. Determination of iron. Orthophenanthroline photometric method |
Release Date: | 01. 11. 1992 |
Date of withdrawal: | |
ICS: | 77.120.10 |
Sorting character/National clasification code | 42 0672 |
Level of incorporation: | obs ISO 793:1973 |
Official Journal | 11/92 |
Amendments | |
Replaced by: | |
Repleces: | STN 42 0672-1:1987-06 |
Note in Official Journal: | |
Subject of the standard: | 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. |