IS 3025 : Part 31 : Sec 2 : 2022/ISO 15681-1 : 2003 Methods of Sampling and Test ( Physical and Chemical ) for Water and Wastewater - Part 31 Phosphorus - Section 2 Determination of Orthophosphate and Total Phosphorus Contents by Flow Analysis ( FIA and CFA )-Method by Flow Injection Analysis ( FIA )

ICS 13.060.50 CHD 36

New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 31/Sec 2) which is identical with ISO 15681-1 : 2003 ‘Water quality — Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) — Part 1: Method by flow injection analysis (FIA)’ 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.

This section of Part 31 specifies flow injection analysis (FIA) methods for the determination of orthophosphate in the mass concentration range from 0.01 mg/l to 1.0 mg/l (P), and total phosphorus by manual digestion in the mass concentration range from 0.1 mg/l to 10 mg/l (P).