KS I ISO 6439-2021
Water quality ― Determination of phenol index(4-Aminoantipyrine spectrometric methods after distillation)

Standard No.

KS I ISO 6439-2021

Release Date

2021

Published By

KR-KS

Latest

KS I ISO 6439-2021

KS I ISO 6439-2021 history

• 2021 KS I ISO 6439:2021 Water quality ― Determination of phenol index(4-Aminoantipyrine spectrometric methods after distillation)
• 0000 KS I ISO 6439-2007(2012)
• 2007 KS I ISO 6439:2007 Water quality－Determination of phenol index(4－aminoantipyrine spectrometric methods after distillation)
• 0000 KS I ISO 6439:2002