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ISO 7530-7:1992
Nickel alloys — Flame atomic absorption spectrometric analysis — Part 7: Determination of aluminium content
Automatically translated name:
Nickel alloys -- Flame atomic absorption spectrometric analysis -- Part 7: Determination of aluminium content
STANDARD published on 3.9.1992
The information about the standard:
Designation standards: ISO 7530-7:1992
Publication date standards: 3.9.1992
SKU: NS-434980
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 7530-7:1992 :
Description / Abstract: Silicon content can be determined in the range of 0,2 % (m/m) to 1 % (m/m). The principle is dissolution of a test portion in acid, filtration and aspiration of the test solution into a nitrous oxide-acetylene flame of an atomic absorption spectrometer, combustion of the filter, volatilization of silica, fusion of the residue, dissolution of the melt in dilute acid, aspiration of this second solution into another such flame, measurement of the absorbance of the resonance line energy from the spectrum of aluminium and comparison with that of calibration solutions at 309,3 nm.
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