The routine quantitative spectrographic analysis of magnesium alloys

✍ Scribed by Fox, F. A. ;Nelson, J.

• Publisher: Wiley (John Wiley & Sons)
• Year: 1941
• Weight: 794 KB
• Volume: 60
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000601102

✦ Synopsis

An ncrount is given of tho dovclopinent of tho npplicntion of tho spectrogmph to tho qunntitntivo nnnlvsis of mngneeiuni allow. Detnils of a routine method of spectmgmphic nndy8is nrt: given, nnd it is shown thnt for constitiienta in tho mnw of 0.1% to 3O, an nccurncy of +4-5% of the contcnt'cnn be o b t a i n d Aluminium, ahcn prcscnt in nmotrnb p t c r thnn 4%, cnnnot bo catinluted by tho nicthod indicated with n mcnn nccurncy grater thnn +70/,. * The term 'I blnekouing " is dobod ns " tho tlilliirenee betweon tho pcnk of tho gnlvnnoniotor dolloxion of tho micro. photomotor for tho spwtrnl lino and tho dcflorion for the transpnmiit photogrnphio pinto." In tho cneo of tho oquipiuent used, tho gnlvnnomotor renlo rending for the cleur plnte wua ndjulctd by moniin of tho vrrrinble shunt to GO cm. ; OIL closing tho piiotontll shuttor. the scnlo routliiig fcll to zero cui. Ilore, blnckciling of n line or atop = D = clonr pletu rendinglino or ~t c p rending.