ISO 7530-1:1990 PDF

Specifies methods for the determination of up to 4 % (m/m) of cobalt, chromium, copper, iron, manganese and aluminium, up to 2 % (m/m) of silicon and from 0,05 % (m/m) to 1 % (m/m) of vanadium in nickel alloys. Typical compositions of some nickel alloys are given in annex B. This part of ISO 7530 specifies the general requirements for analysis by flame atomic absorption, preparation and dissolution of the test sample, method of calculation and the procedures used for the evaluation of the repeatability and reproducibility of the individual methods.