NF X31-120:1992
Soil quality. Determination of copper, manganese and zinc contents. Extraction by means of ammonium acetate in presence of edta.

Standard No.

NF X31-120:1992

Release Date

1992

Published By

Association Francaise de Normalisation

Status

Be replaced 2003-05

Replace By

NF X31-120:2003

Latest

NF X31-120:2003

NF X31-120:1992 history

• 2003 NF X31-120:2003 Soil quality - Determination of copper, iron, manganese and zinc contents - Extraction by means of ammonium acetate in presence of EDTA.
• 1992 NF X31-120:1992 Soil quality. Determination of copper, manganese and zinc contents. Extraction by means of ammonium acetate in presence of edta.