Aluminium, Al (acid-soluble)

The sample is acidified, but not heated, wereafter aluminium is quantified colourimetrically. The method estimate the bulk of dissolved aluminium, but only a small amount of aluminium bound in e.g. mineral particles, since the treatment is too mild to disintegrate the particles. 

Read more about aluminium on Wikipedia.

Known issues with the parameter and/or important method changes

Aluminium can be analysed with several different methods. Read more in our method comparison "Aluminium analyserat vid institutionen för vatten och miljö - Jämförelse mellan olika metoder" (in Swedish).

Current method of measurement

The analysis method ceased in 2003.

Previous methods

1993-01 – 2003-12
Method: Swedish Standard SS 02 82 10 (modified).
Instrument: Technicon Autoanalyzer I.

1985-01 – 1992-12
Method: Swedish Standard SS 02 81 41 (modified). Henriksen, A. & Bergmann-Paulsson, I. M. 1975. Vatten 4 (Water 4): 339-342.
Instrument: Technicon Autoanalyzer I.