KS I ISO 9509-2023
Water quality－Method for assessing the inhibition of nitrification of activated sludge micro organisms by chemicals and wastewaters

Standard No.

KS I ISO 9509-2023

Release Date

2023

Published By

Korean Agency for Technology and Standards (KATS)

Latest

KS I ISO 9509-2023

KS I ISO 9509-2023 history

• 2023 KS I ISO 9509-2023 Water quality－Method for assessing the inhibition of nitrification of activated sludge micro organisms by chemicals and wastewaters
• 0000 KS I ISO 9509-2008(2018)
• 2008 KS I ISO 9509:2008 Water quality-Method for assessing the inhibition of nitrification of activated sludge micro organisms by chemicals and wastewaters
• 0000 KS I ISO 9509:2003