NF T20-421:1976
Sodium hydroxyde for industrial use. Sampling. Test sample. Preparation of the main solution for carrying out certain determinations.

Standard No.

NF T20-421:1976

Release Date

1976

Published By

Association Francaise de Normalisation

Status

Withdraw

Latest

NF T20-421:1976

NF T20-421:1976 history

• 1976 NF T20-421:1976 Sodium hydroxyde for industrial use. Sampling. Test sample. Preparation of the main solution for carrying out certain determinations.