NF X31-121:1993
Soil quality. Chemical methods. Determination of copper, manganese, zinc and iron. Extraction in presence of DTPA.

Standard No.

NF X31-121:1993

Release Date

1993

Published By

Association Francaise de Normalisation

Latest

NF X31-121:1993

NF X31-121:1993 history

• 1993 NF X31-121:1993 Soil quality. Chemical methods. Determination of copper, manganese, zinc and iron. Extraction in presence of DTPA.