SIST EN 1206:2005
(Main)Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate
Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate
This document is applicable to tetrasodium pyrophosphate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for tetrasodium pyrophosphate. It gives information on its use in water treatment.
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Tetranatriumdiphosphat
Dieses Dokument gilt für Tetranatriumdiphosphat zur Aufbereitung von Wasser für den menschlichen
Gebrauch. Es beschreibt die Eigenschaften von Tetranatriumdiphosphat und legt die Anforderungen sowie die
entsprechenden Prüfverfahren für Tetranatriumdiphosphat fest. Es gibt Informationen für die Anwendung von
Tetranatriumdiphosphat in der Wasseraufbereitung.
Produits chimiques utilisés pour le traitement de l'eau destinée a la consommation humaine - Pyrophosphate tétrasodique
Le présent document est applicable au pyrophosphate tétrasodique utilisé pour le traitement de l�eau destinée
à la consommation humaine. Il décrit les caractéristiques et spécifie les exigences et les méthodes d�essai
correspondantes du pyrophosphate tétrasodique. Il donne des informations pour son emploi dans le
traitement de l�eau.
Kemikalije, ki se uporabljajo za pripravo pitne vode – Tetranatrijev pirofosfat
General Information
- Status
- Published
- Publication Date
- 30-Jun-2005
- Technical Committee
- IOVO - Water supply and waste water engineering
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Jul-2005
- Due Date
- 01-Jul-2005
- Completion Date
- 01-Jul-2005
- Directive
- 89/106/EEC - Construction products
- Directive
- TP262 - Uredba o pitni vodi
Relations
- Effective Date
- 22-Dec-2008
Overview
EN 1206:2005 is a CEN (European) standard that applies to tetrasodium pyrophosphate (TSPP) used for the treatment of water intended for human consumption. The document describes product identification, physical and chemical characteristics, minimum purity criteria, limits for impurities and trace elements, and the corresponding test and sampling methods. It also provides general information on the product’s commercial forms and its use in water treatment. Note: compliance with EN 1206:2005 does not replace national approval or regulatory control.
Key Topics and Requirements
- Scope and identification
- Chemical name: Tetrasodium pyrophosphate (Na4P2O7), CAS 7722-88-5, relative molecular mass 266.0.
- Commercial forms: white powder (solid) or clear aqueous solution.
- Physical properties
- Solubility ~850 g/L at 25 °C; 1% aqueous solution pH ≈ 10.0.
- Bulk density (solid) 500–600 g/dm3.
- Composition (dry mass basis)
- Phosphate (as P2O5): 53 ± 1.0%
- Sodium (as Na2O): 46.5 ± 1.0%
- Impurity limits
- Sulfate (SO4 2–): max 500 mg/kg
- Fluoride (F–): max 10 mg/kg
- Trace element limits (mg/kg dry product)
- Antimony, arsenic, cadmium, selenium: max 3
- Chromium, lead, nickel: max 10
- Mercury: max 1
- Cyanide: max 5
- Sampling and testing
- Sampling guidance follows ISO 3165, ISO 6206, ISO 8213.
- Analytical methods referenced: ISO 3357 (P2O5), ISO 2997 (sulfate), ISO 3360 (fluoride) and EN/ISO atomic absorption and ICP methods for trace metals (e.g., EN ISO 11885, EN ISO 11969).
Applications and Who Uses This Standard
- Primary users
- Chemical manufacturers and suppliers of tetrasodium pyrophosphate.
- Water treatment product formulators and distributors.
- Drinking water utilities and plant operators procuring treatment chemicals.
- Accredited analytical laboratories performing quality control and compliance testing.
- Regulators and public health authorities assessing product suitability for potable water use.
- Practical value
- Ensures consistent product quality and safety for chemicals introduced into drinking-water systems.
- Provides harmonized test methods and impurity limits for procurement specifications and conformity assessment.
- Helps laboratories select appropriate sampling and analysis procedures for routine control.
Related Standards
Relevant normative references cited in EN 1206:2005 include:
- EN 1483, EN ISO 3696, EN ISO 11885, EN ISO 11969, EN ISO 5961
- ISO 2997, ISO 3357, ISO 3360, ISO 3165, ISO 6206, ISO 8213, ISO 8288, ISO 9174, ISO 9965
Keywords: EN 1206:2005, tetrasodium pyrophosphate, TSPP, water treatment, drinking water, purity criteria, test methods, CEN standard, sampling, trace metals.
Frequently Asked Questions
SIST EN 1206:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate". This standard covers: This document is applicable to tetrasodium pyrophosphate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for tetrasodium pyrophosphate. It gives information on its use in water treatment.
This document is applicable to tetrasodium pyrophosphate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for tetrasodium pyrophosphate. It gives information on its use in water treatment.
SIST EN 1206:2005 is classified under the following ICS (International Classification for Standards) categories: 13.060.20 - Drinking water; 71.100.80 - Chemicals for purification of water. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 1206:2005 has the following relationships with other standards: It is inter standard links to SIST EN 1206:1999. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 1206:2005 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC, TP262. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 1206:2005 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 – Tetranatrijev pirofosfatProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - TetranatriumdiphosphatProduits chimiques utilisés pour le traitement de l'eau destinée a la consommation humaine - Pyrophosphate tétrasodiqueChemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 1206:2005SIST EN 1206:2005en01-julij-2005SIST EN 1206:2005SLOVENSKI
STANDARDSIST EN 1206:19991DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1206
March 2005 ICS 71.100.80 Supersedes EN 1206:1997 English version
Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Pyrophosphate tétrasodique
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Tetranatriumdiphosphat This European Standard was approved by CEN on 3 February 2005.
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 Central Secretariat 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 Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36
B-1050 Brussels © 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1206:2005: ESIST EN 1206:2005
General information on tetrasodium pyrophosphate.15 Bibliography.17
EN 26595 by EN ISO 11969. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. SIST EN 1206:2005
- Determination of arsenic- Atomic absorption spectrometric method (hydride technique (ISO 11969:1996)). ISO 2997, Phosphoric acid for industrial use – Determination of sulfate content – Method by reduction and titrimetry. ISO 3165, Sampling of chemical products for industrial use – Safety in sampling. ISO 3357, Sodium tripolyphosphate and sodium pyrophosphate for industrial use – Determination of total phosphorus (V) oxide content – Quinoline phosphomolybdate gravimetric method. ISO 3360, Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) – Determination of fluorine content – Alizarin complexone and lanthanum nitrate photometric method. ISO 6206, Chemical products for industrial use - Sampling – Vocabulary. ISO 6703-1, Water quality – Determination of cyanide – Part 1: Determination of total cyanide. ISO 8213, Chemical products for industrial use – Sampling techniques - Solid chemical products in the form of particles varying from powders to coarse lumps. ISO 8288, Water quality – Determination of cobalt, nickel, copper, zinc, cadmium and lead – Flame atomic absorption spectrometric methods. ISO 9174, Water quality - Determination of
chromium – Atomic absorption spectrometric methods. ISO 9965, Water quality – Determination of selenium – Atomic absorption spectrometric method (hydride technique).
7722-88-5. 3.1.7 EINECS reference 2)
231-767-1. 3.2 Commercial forms The tetrasodium pyrophosphate is available in a number of different forms (see 3.3.1). Different commercial forms, solids or dissolved in water are possible. All concentrations mentioned refer to the active matter and shall be calculated accordingly. NOTE Tetrasodium pyrophosphate can be a component of mixtures sold for water treatment purposes. 3.3 Physical properties 3.3.1 Appearance Solid : The product is a white powder. Liquid : The product is a clear solution.
1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. SIST EN 1206:2005
Not applicable. 3.3.6 Melting point For the solid product 970 °C. 3.3.7 Specific heat Not known. 3.3.8 Viscosity (dynamic) For the solid product it is not applicable. For ther liquid the viscosity is equal to 5 mPa.s for a product concentration of 50 g/l. 3.3.9 Critical temperature Not applicable. 3.3.10 Critical pressure Not applicable. 3.3.11 Physical hardness Not applicable. 3.4 Chemical properties The solutions of tetrasodium pyrophosphate have alkaline reactions. The pH value of a solution of a mass fraction of 1 %
is approximately 10,0.
3) 100 kPa = 1 bar. SIST EN 1206:2005
mass fraction of (53 ± 1,0) %; sodium content expressed as Na2O :
mass fraction of (46,5 ± 1,0) %. 4.3 Impurities and main by-products The product shall conform to the requirements specified in Table1. Table 1 — Impurities Impurity
Limit
mg/kg of dry product Sulfate ()−24SO max. 500 Fluoride (F-) max.
10 4.4 Chemical parameters Content of various chemical parameters depends on the origin of the raw materials, most of these elements are present only as traces. The product shall conform to the requirements specified in Table 2. SIST EN 1206:2005
Limit
mg/kg of dry product Antimony (Sb) max. 3 Arsenic (As) max. 3 Cadmium (Cd) max. 3 Chromium (Cr) max. 10 Cyanide (CN) max. 5 Lead (Pb) max. 10 Mercury (Hg) max. 1 Nickel (Ni) max. 10 Selenium (Se) max. 3 NOTE Pesticides and polycyclic aromatic hydrocarbons are not re
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