ISO 7158:2024

Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method

This document specifies a method for the determination of nitrite and nitrate in meat and meat products using ion chromatography.

Viandes et produits carnés — Détermination des teneurs en nitrites et nitrates — Méthode de chromatographie ionique

Le présent document spécifie une méthode de dosage des nitrites et nitrates dans la viande et les produits carnés par chromatographie ionique.

General Information

• Status: Published
• Publication Date: 13-Feb-2024
• ICS: 67.120.10 - Meat and meat products
• Technical Committee: ISO/TC 34/SC 6 - Meat, poultry, fish, eggs and their products
• Drafting Committee: ISO/TC 34/SC 6 - Meat, poultry, fish, eggs and their products
• Current Stage: 6060 - International Standard published
• Start Date: 14-Feb-2024
• Due Date: 01-Jun-2024
• Completion Date: 14-Feb-2024

Standards Content (Sample)

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 7158
ISO/TC 34/SC 6
Meat and meat products —
Secretariat: SAC
Determination of nitrite and nitrate
Voting begins on:
2023-11-21 content — Ion chromatography
method
Voting terminates on:
2024-01-16
Viandes et produits carnés — Détermination des teneurs en nitrites et
nitrates — Méthode de chromatographie ionique
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 7158:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/FDIS 7158:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 7158
ISO/TC 34/SC 6
Meat and meat products —
Secretariat: SAC
Determination of nitrite and nitrate
Voting begins on:
content — Ion chromatography
method
Voting terminates on:
Viandes et produits carnés — Détermination des teneurs en nitrites et
nitrates — Méthode de chromatographie ionique
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: [phone]
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: [e-mail]
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 7158:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 2 ----------------------
ISO/FDIS 7158:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Sampling . 1
6 Preparation of test sample . 1
7 Test method of Ion chromatography .2
7.1 Reagents and Materials. 2
7.2 Apparatus . 3
7.3 Procedures . 3
7.3.
...

ISO TC 34/SC 6/WG 23
Date: 2023-10-07-26
ISO/DISFDIS 7158:2023(E)
Secretariat: SAC
Meat and meat products—Determination of nitrite and nitrate content—
Ion chromatography method

---------------------- Page: 1 ----------------------
ISO/FDIS 7158:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no
part of this publication may be reproduced or utilized otherwise in any form or by any means,
electronic or mechanical, including photocopying, or posting on the internet or an intranet, without
prior written permission. Permission can be requested from either ISO at the address below or ISO’s
member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.orgwww.iso.org
    Published in Switzerland
ii © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/FDIS 7158:2023(E)
Contents
Foreword . 4
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Sampling . 1
6 Preparation of test sample . 1
7 Test method of Ion chromatography . 2
7.1 Reagents and Materials . 2
7.2 Apparatus . 3
7.3 Procedures . 3
7.4 Calculation . 4
7.5 Precision . 5
7.6 Limits of detection (LOD) and limits of quantification (LOQ) . 5
Annex A . 6
Annex B . 9
Bibliography . 12
Foreword . iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Sampling . 1
6 Preparation of test sample .
...