EN ISO 23821:2022

Cosmetics - Analytical methods - Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion (ISO 23821:2022)

This document specifies a method for determination of mercury in cosmetics by means of cold vapour atomic absorption spectrometry (AAS) with a prior pressure digestion.

Kosmetische Mittel - Untersuchungsverfahren - Bestimmung von Quecksilberspuren in kosmetischen Mitteln durch Kaltdampf-Atomabsorptionsspektrometrie (AAS) nach Druckaufschluss (ISO 23821:2022)

Dieses Dokument legt ein Verfahren zur Bestimmung von Quecksilber in kosmetischen Mitteln mittels Kaltdampf-Atomabsorptionsspektrometrie (AAS) nach Druckaufschluss fest.

Cosmétiques - Méthodes d’analyse - Dosage des traces de mercure dans les cosmétiques par la technique de spectrométrie d’absorption atomique (SAA) de vapeur froide après digestion sous pression (ISO 23821:2022)

Le présent document spécifie une méthode de dosage du mercure dans les cosmétiques par spectrométrie d'absorption atomique (SAA) de vapeur froide après digestion sous pression.

Kozmetika - Analizne metode - Določevanje živega srebra v sledovih v kozmetičnih izdelkih z atomsko absorpcijsko spektrometrijo (AAS) s tehniko hladnih par po razklopu pod tlakom (ISO 23821:2022)

Cilj tega standarda je zagotoviti postopek za določanje živega srebra v kozmetičnih izdelkih z atomsko adsorpcijo s hladnimi parami (AAS) po razklopu pod tlakom.
Postopek je bil potrjen leta 2015 z večlaboratorijsko študijo v kombinaciji s postopkom določanja živega srebra s hladnimi parami AAS, v kateri je sodelovalo osem laboratorijev. Skupno je bilo analiziranih sedem vzorcev, ki so predstavljali različne matrice (šminka, barvilo za tetoviranje, losjon za telo, zobna pasta, senčilo za oči in vodica, ki se uporablja pri ličenju) z različnimi vsebnostmi živega srebra med 0,110 mg/kg in 5,84 mg/kg.

General Information

• Status: Published
• Publication Date: 13-Sep-2022
• ICS: 71.100.70 - Cosmetics. Toiletries
• Technical Committee: CEN/TC 392 - Cosmetics
• Drafting Committee: CEN/TC 392/WG 1 - Analytical methods
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 14-Sep-2022
• Due Date: 01-Nov-2021
• Completion Date: 14-Sep-2022
• Ref Project: SIST EN ISO 23821:2023 - Cosmetics - Analytical methods - Determination of traces of mercury in cosmetics by atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion (ISO 23821:2022)

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2023
Kozmetika - Analizne metode - Določevanje živega srebra v sledovih v kozmetičnih
izdelkih z atomsko absorpcijsko spektrometrijo (AAS) s tehniko hladnih par po
razklopu pod tlakom (ISO 23821:2022)
Cosmetics - Analytical methods - Determination of traces of mercury in cosmetics by
atomic absorbtion spectrometry (AAS) cold vapour technology after pressure digestion
(ISO 23821:2022)
Kosmetische Mittel - Untersuchungsverfahren - Bestimmung von Quecksilberspuren in
kosmetischen Mitteln durch Kaltdampf-Atomabsorptionsspektrometrie (AAS) nach
Druckaufschluss (ISO 23821:2022)
Cosmétiques - Méthodes d’analyse - Dosage des traces de mercure dans les
cosmétiques par la technique de spectrométrie d’absorption atomique (SAA) de vapeur
froide après digestion sous pression (ISO 23821:2022)
Ta slovenski standard je istoveten z: EN ISO 23821:2022
ICS:
71.040.50 Fizikalnokemijske analitske Physicochemical methods of
metode analysis
71.100.70 Kozmetika. Toaletni Cosmetics. Toiletries
pripomočki
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 23821
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2022
EUROPÄISCHE NORM
ICS 71.100.70
English Version
Cosmetics - Analytical methods - Determination of traces
of mercury in cosmetics by atomic absorbtion
spectrometry (AAS) cold vapour technology after pressure
digestion (ISO 23821:2022)
Cosmétiques - Méthodes d'analyse - Dosage des traces Kosmetische Mittel - Untersuchungsverfahren -
de mercure dans les cosmétiques par la technique de Bestimmung von Quecksilberspuren in kosmetischen
spectrométrie d'absorption atomique (SAA) de vapeur Mitteln durch Atomabsorptionsspektrometrie (AAS)
froide après digestion sous pression (ISO 23821:2022) Kaltdampftechnologie nach Druckaufschluss (ISO
23821:2022)
This European Standard was approved by CEN on 23 July 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 23821:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 23821:2022) has been prepared by Technical Committee ISO/TC 217
"Cosmetics" in collaboration with Technical Committee CEN/TC 392 “Cosmetics” the secretariat of
which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2023, and conflicting national standards shall
be withdrawn at the latest by March 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 23821:2022 has been approved by CEN as EN ISO 23821:2022 without any modification.

INTERNATIONAL ISO
STANDARD 23821
First edition
2022-08
Cosmetics — Analytical methods —
Determination of traces of mercury
in cosmetics by atomic absorbtion
spectrometry (AAS) cold vapour
technology after pressure digestion
Cosmétiques — Méthodes d’analyse — Dosage des traces de mercure
dans les cosmétiques par la technique de spectrométrie d’absorption
atomique (SAA) de vapeur froide après digestion sous pression
Reference number
ISO 23821:2022(E)
ISO 23821:2022(E)
© ISO 2022
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.org
Published in Switzerland
ii
ISO 23821:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents . 1
6 Apparatus and equipment . 3
7 Procedure .4
7.1 General . 4
7.2 Preparation of samples . 4
7.3 Pressure assisted digestion . 4
7.3.1 General . 4
7.3.2 Preparation of sample by digestion — General case. 4
7.3.3 Preparation of sample by digestion — Specific cases . 4
7.3.4 Microwave digestion procedure . 5
7.3.5 Preparation of measurement solutions . . 5
7.4 Atomic absorption spectrometry (cold vapour AAS) . 6
7.4.1 Spectrometry settings . . . 6
7.4.2 Example for AAS determination using cold vapour technology . 6
7.5 Quality control of the analysis . . 6
8 Evaluation . 6
8.1 Calculation . 6
8.2 Limit of quantification . 7
8.3 Reliability of the method . 7
9 Test report . 7
10 Alternative stabilizing reagents . 8
11 Short-term stabilization when measuring with potassium permanganate solution .8
Annex A (informative) Performance of the method determined via ISO 5725 statistical
approach . 9
[4]
Annex B (informative) Common interlaboratory test results of ISO 23674 and this
document .12
Bibliography .15
iii
ISO 23821:2022(E)
Foreword
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