EN 12125:2012
(Main)Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
This European Standard is applicable to sodium thiosulfate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of sodium thiosulfate and refers to the corresponding analytical methods. It gives information for its use in water treatment.
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumthiosulfat
Diese Europäische Norm gilt für Natriumthiosulfat zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Natriumthiosulfat, legt die Anforderungen an Natriumthiosulfat fest und verweist auf die entsprechenden Analysenverfahren. Sie enthält Angaben zu dessen Anwendung in der Wasseraufbereitung.
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Thiosulfate de sodium
La présente Norme européenne s'applique au thiosulfate de sodium utilisé pour le traitement de l'eau destinée à la consommation humaine. Elle décrit les caractéristiques du thiosulfate de sodium, en spécifie les exigences ainsi que les méthodes d'analyse correspondantes. Elle donne des informations pour son emploi dans le traitement de l'eau.
Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev tiosulfat
Ta dokument obravnava natrijev tiosulfat, ki se uporablja za pripravo pitne vode. Opisuje značilnosti natrijevega tiosulfata ter določa zahteve in ustrezne preskusne metode zanj. Standard podaja informacije za uporabo natrijevega tiosulfata pri pripravi vode.
General Information
- Status
- Withdrawn
- Publication Date
- 13-Nov-2012
- Withdrawal Date
- 20-Jan-2026
- Technical Committee
- CEN/TC 164 - Water supply
- Drafting Committee
- CEN/TC 164/WG 9 - Drinking water treatment
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 11-May-2022
- Completion Date
- 28-Jan-2026
Relations
- Effective Date
- 08-Jan-2011
- Effective Date
- 26-Jun-2019
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
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Frequently Asked Questions
EN 12125:2012 is a standard published by the European Committee for Standardization (CEN). Its full title is "Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate". This standard covers: This European Standard is applicable to sodium thiosulfate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of sodium thiosulfate and refers to the corresponding analytical methods. It gives information for its use in water treatment.
This European Standard is applicable to sodium thiosulfate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of sodium thiosulfate and refers to the corresponding analytical methods. It gives information for its use in water treatment.
EN 12125:2012 is classified under the following ICS (International Classification for Standards) categories: 71.100.80 - Chemicals for purification of water. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12125:2012 has the following relationships with other standards: It is inter standard links to EN 12125:2005, EN 12125:2022, EN ISO 8751:1997, EN 438-2:2005, EN 16453:2014, EN 27526:1991, EN 1998-6:2005, EN ISO 3696:1995. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 12125:2012 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev tiosulfatProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - NatriumthiosulfatProduits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Thiosulfate de sodiumChemicals used for treatment of water intended for human consumption - Sodium thiosulfate71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 12125:2012SIST EN 12125:2013en,fr,de01-april-2013SIST EN 12125:2013SLOVENSKI
STANDARDSIST EN 12125:20051DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12125
November 2012 ICS 71.100.80 Supersedes EN 12125:2005English Version
Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Thiosulfate de sodium
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumthiosulfat This European Standard was approved by CEN on 23 September 2012.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12125:2012: ESIST EN 12125:2013
1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. 3) 100 kPa = 1 bar. SIST EN 12125:2013
Table 1 — Chemical parameters
Parameter Limitmg/kg of commercial product Antimony (Sb) max 2 Arsenic (As) max 0,5 Cadmium (Cd) max 0,1 Chromium (Cr) max 5 Lead (Pb) max 5 Mercury (Hg) max 0,1 Nickel (Ni) max 5 Selenium (Se) max 2 NOTE Pesticides and polycyclic aromatic hydrocarbons and cyanides (CN ) are not relevant in sodium thiosulfate because the raw materials used in the manufacturing are free of them. For parametric values of sodium thiosulfate on trace metal content in drinking water, see [1]. 5 Test methods 5.1 Sampling Observe the general recommendations of ISO 3165 and take account of ISO 6206. Prepare the laboratory sample(s) required by the relevant procedure described in ISO 8213. 5.2 Analyses 5.2.1 Main product The sodium thiosulfate content shall be determined in accordance with ISO 10636. 5.2.2 Impurities 5.2.2.1 Sulfate The content of sodium sulfate (Na2SO4) shall be determined in accordance with ISO 22743. SIST EN 12125:2013
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