ISO 31120-1:2022
Road vehicles — Injection water — Part 1: Quality requirements

Standard No.

ISO 31120-1:2022

Release Date

2022

Published By

International Organization for Standardization (ISO)

Latest

ISO 31120-1:2022

Scope

This document specifies water quality used for water injection in internal combustion engines. This document defines quality requirements for injection water including instructions for storage, container materials and production. Testing procedures are also defined.

ISO 31120-1:2022 Referenced Document

• DIN 38409-1 German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of total dry residue, filtrate dry residue and residue on ignition (H 1)
• EN 1484 Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
• EN 872 Water quality - Determination of suspended solids - Method by filtration through glass fibre filters
• ISO 10304-1 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate; Technical Corrigendum 1
• ISO 10304-4 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 4: Determination of chlorate, chloride and chlorite in water with low contamination*， 2022-03-03 Update
• ISO 10523 Water quality - Determination of pH
• ISO 11885 Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)
• ISO 15061 Water quality - Determination of dissolved bromate - Method by liquid chromatography of ions
• ISO 15923-1 Water quality.Determination of selected parameters by discrete analysis systems.Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
• ISO 7393-2 Water quality - Determination of free chlorine and total chlorine- Part 2:Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes
• ISO 7393-3 Water quality; determination of free chlorine and total chlorine; part 3: iodometric titration method for the determination of total chlorine
• ISO 7888 Water quality; Determination of electrical conductivity

ISO 31120-1:2022 history

• 2022 ISO 31120-1:2022 Road vehicles — Injection water — Part 1: Quality requirements