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Analytical Method: Aluminium (total) in steels

Instruments and Reagents:

Cat.No. 173016  Spectroquant® VIS Spectrophotometer Prove 100 or

Cat.No. 173017  Spectroquant® UV/VIS Spectrophotometer Prove 300 or

Cat.No. 173018  Spectroquant® UV/VIS Spectrophotometer Prove 600 or

Cat.No. 109748  Spectroquant® Photometer NOVA 30 or

Cat.No. 109751  Spectroquant® Photometer NOVA 60 or

Cat.No. 173632  Spectroquant® Colorimeter Move 100

Cat.No. 114946  Rectangular cells 10 mm and/or

Cat.No. 114947  Rectangular cells 20 mm and/or
Cat.No. 114944  Rectangular cells 50 mm
Cat.No. 100594  Spectroquant® Aluminium Cell Test
Cat.No. 114825  Spectroquant® Aluminium Test
Cat.No. 100317  Hydrochloric acid 37 % for analsis
Cat.No. 100456  Nitric acid 65 % for analysis
Cat.No. 116754  Water for analysis
Sample preparation:
In a glass beaker dissolve about 100 mg of sample in 3 ml hydrochloric acid 37 % and 2 ml nitric acid 65 %, on the steambath. When completely dissolved evaporate the acid until only a damp crystalline residue remains. Dissolve this residue in 1 ml hydrochloric acid 37 % and 20 ml water for analysis, transfer to a volumetric flask and fill up to 100 ml with water for analysis.
Determine with the above mentioned test kits.

Aluminium (total) content in %  =   analysis value in mg/l Al x 10
weight of sample in mg





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