EN 1199:2005

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kemikalije, ki se uporabljajo za pripravo pitne vode – Dinatrijev hidrogen fosfatProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - DinatriummonohydrogenphosphatProduits chimiques utilisés pour le traitement de l'eau destinée a la consommation humaine - Hydrogénophosphate de sodiumChemicals used for treatment of water intended for human consumption - Disodium hydrogen orthophosphate71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 1199:2005SIST EN 1199:2005en01-julij-2005SIST EN 1199:2005SLOVENSKI
STANDARDSIST EN 1199:19991DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1199
March 2005 ICS 71.100.80 Supersedes EN 1199:1997 English version
Chemicals used for treatment of water intended for human consumption - Disodium hydrogen orthophosphate
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Hydrogénophosphate de sodium
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Dinatriummonohydrogenphosphat 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
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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 1199:2005: E

General information on disodium hydrogen orthophosphate.15 Bibliography.17

7558-79-4. 3.1.7 EINECS reference 2)
231-448-7. 3.2 Commercial forms Disodium hydrogen orthophosphate 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 Disodium hydrogen orthophosphate 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 or granules. Liquid : The product is a clear solution. 3.3.2 Density Solid : The bulk density of the product varies from 550 g/dm3 to 1 000 g/dm3. Liquid : The density of solution is equal to 1,045 g/ml for a product concentration of 50 g/l at 20 °C. 3.3.3 Solubility in water The solubility in water is approximately 80 g/l at 25 °C.
1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances.

Not applicable. 3.3.6 Melting point For the solid product, 250 °C. 3.3.7 Specific heat Not known. 3.3.8 Viscosity (dynamic) For the solid product it is not applicable. For the 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 disodium hydrogen orthophosphate have alkaline reactions. The pH value of a solution of a mass fraction of
1 %
is approximately 9 to 9,2. 4 Purity criteria 4.1 General This document specifies the minimum purity requirements for disodium hydrogen orthophosphate used for treatment of water intended for human consumption. Limits are given for impurities commonly present in the product. Depending on the raw material and the manufacturing process other impurities may be present and, if so, this shall be notified to the user and when necessary to relevant authorities.
3) 100 kPa = 1 bar.
mass fraction of (43 ± 0,5) % . 4.3 Impurities and main by-products The product shall conform to the requirements specified in table 1. Table 1 — Impurities Impurity
Limit
mg/kg of dry product Sulfate (SO42-) 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.

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 aro
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