Influence of mineralisation methods on the determination of the mineral content of the brown seaweed Undaria pinnatifida by atomic absorption spectrophotometry

The influence of 8 mineralisation procedures on the determination of the mineral content of the brown seaweed Undaria pinnatifida by atomic absorption spectrophotometry was studied.Two procedures are proposed for routine analysis: dry ashing using sample calcination at 450 °C, followed by ash treatment with hydrochloric acid and silica elimination by hydrofluoric acid, and wet digestion using hot nitric acid

Joël Fleurence

2011

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