Photometry

Photometry can be applied to determine NH₄⁺, NO₂^-, NO₃^-, PO₄^3-, SO₄^2-, Fe Total, Fe ²⁺ in water samples.

Equipment

UV-Spectrophotometers DR4000U and DR6000 (Hach Lange, Düsseldorf, Germany.

Sample preparation

Liquid samples (a volume of at least 50 mL is required, (if less volume is available please contact Dr. Dirk Merten in advance) must be free of particles (filtration < 0.45μm or suitable centrifugation).

Samples must delivered with a list of electrical conductivities.

Contact

Gerit Weinzierl