NF T20-475:1973
PHOSPHORIC ACID FOR INDUSTRIAL USE; DETERMINATION FOR ARSENIC CONTENT; SILVER DIETHYLDITHIOCARBAMATE PHOTOMETRIC METHOD.

Standard No.

NF T20-475:1973

Release Date

1973

Published By

Association Francaise de Normalisation

Status

Withdraw

Latest

NF T20-475:1973

NF T20-475:1973 history

• 1973 NF T20-475:1973 PHOSPHORIC ACID FOR INDUSTRIAL USE; DETERMINATION FOR ARSENIC CONTENT; SILVER DIETHYLDITHIOCARBAMATE PHOTOMETRIC METHOD.