Mineralization - Extractions

Mineralization - Extractions

A sampling of 1g is weighted.

Several digestion procedure are applied according to target analyte:

Analyte

Analysis

Processing

Volatil element

Spectrometry

Wet digestion (VH), HNO3 H2O2

No volatil element

Spectrometry

Dry ashing (VS), HNO3 (1)

Al, Cr, Mo analysis

Spectrometry

(1) + HF

Anions / Cations

Chromatography

Water extraction (on demand)

Sugars

Chromatography

Water/ethanol extraction (on demand)

Organic acids

Chromatography

Water/ethanol extraction (on demand)

Fruits (specific digestion)

Spectrometry

Special dry ashing with ammonium nitrate

Nitrogene/Carbon

Dumas

Direct solid analysis - No processing

Mercury

Cold vapor AAS

Direct solid analysis - No processing

Modification date : 08 November 2023 | Publication date : 29 October 2010 | Redactor : F.de Raemaeker