Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Specifications
4 Sampling
5 Precision and dispute
Annex A (normative) - Sampling
Annex B (normative) - Determination of urea content by
        total nitrogen
Annex C (normative) - Refractive index and determination
        of urea content by refractive index
Annex D (normative) - Determination of alkalinity
Annex E (normative) - Determination of biuret content
Annex F (normative) - Determination of aldehyde content
Annex G (normative) - Determination of insoluble matter content
        by gravimetric method
Annex H (normative) - Determination of phosphate content by
        photometric method
Annex I (normative) - Determination of trace element content
        (Ca, Fe, K, Mg, Na) by ICP-OES method
Annex J (informative) - Determination of identity by FTIR
        spectrometry method
Annex K (informative) - Precision of test methods
Bibliography

Abstract

This part of ISO 18611 specifies test methods required for the determination of the quality characteristics of the NOx reduction agent AUS 40 (aqueous urea solution) specified in ISO 18611-1.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 8
Supersedes	ISO/DIS 18611-2 : 60.00 (2014)