NF X31-111*NF ISO 11261:1995
Soil quality. Determination of total nitrogen. Modified kjeldahl method.

Standard No.

NF X31-111*NF ISO 11261:1995

Release Date

1995

Published By

Association Francaise de Normalisation

Latest

NF X31-111*NF ISO 11261:1995

Replace

NF X31-111:1983

NF X31-111*NF ISO 11261:1995 history

• 1995 NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
• 0000 NF X31-111:1983