IS 3025 : Part 73 : 2021/ISO 20236 : 2018 Methods of Sampling and Test ( Physical and Chemical ) for Water and Wastewater Part 73 Instrument based Method for Determination of Total Organic Carbon ( TOC ), Dissolved Organic Carbon ( DOC ), Total Bound Nitrogen ( TNb ) and Dissolved Bound Nitrogen ( DNb )
New Standard from Last Update.
NATIONAL FOREWORD
This Indian Standard (Part 73) which is identical with ISO 20236 : 2018 ‘Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Water Quality Sectional Committee and approval of the Chemical Division Council.