1、January 2013 Translation by DIN-Sprachendienst.English price group 13No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC
2、S 71.100.80!$N“1939543www.din.deDDIN EN 12386Chemicals used for treatment of water intended for humanconsumption Copper sulfate;English version EN 12386:2012,English translation of DIN EN 12386:2013-01Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch Kupfersulfat;Englische Fassung EN
3、 12386:2012,Englische bersetzung von DIN EN 12386:2013-01Produits chimiques utiliss pour le traitement de leau destine la consommationhumaine Sulfate de cuivre;Version anglaise EN 12386:2012,Traduction anglaise de DIN EN 12386:2013-01SupersedesDIN EN 12386:2005-09www.beuth.deDocument comprises pages
4、In case of doubt, the German-language original shall be considered authoritative.2701.13DIN EN 12386:2013-01 2 A comma is used as the decimal marker. National foreword This document (EN 12386:2012) has been prepared by Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The r
5、esponsible German body involved in its preparation was the Normen-ausschuss Wasserwesen (Water Practice Standards Committee), Working Committee NA 119-04-02 AA Wasseraufbereitung. Users of this standard are advised of the reservations stated in the Introduction of the European Standard and should no
6、te that national regulations exist in Germany dealing with water for human consumption, in particular the Trinkwasserverordnung (TrinkwV2001) (German Drinking Water Ordinance). Since, as of the publication of this standard, copper sulfate is not mentioned in the list of substances for treatment and
7、disinfection of water in accordance with article 11 of the Trinkwasserverordnung 2001, it shall not be used for the treatment of drinking water. The DIN Standards corresponding to the International Standards referred to in this document are as follows, whereby EN ISO Standards are only listed below
8、if these have not been published as DIN EN ISO Standards with the same number: EN ISO 3696 DIN ISO 3696 ISO 6332 DIN 38406-1 Amendments This standard differs from DIN EN 12386:2005-09 as follows: a) specifications concerning hazard and safety related symbols have been brought in line with the “Globa
9、lly Harmonized System of Classification, Labelling and Packaging of Chemicals (GHS)” (Global harmonisiertes System zur Einstufung und Kennzeichnung von Chemikalien); b) in Subclause 6.4 “Marking”, the name of the product has been modified. Previous editions DIN EN 12386: 1999-03, 2005-09 DIN EN 1238
10、6:2013-01 3 National Annex NA (informative) Bibliography DIN 38406-1, German standard methods for the examination of water, waste water and sludge Cations (group E) Determination of iron (E 1) DIN ISO 3696, Water for analytical laboratory use Specification and test methods Verordnung ber die Qualitt
11、 von Wasser fr den menschlichen Gebrauch (Trinkwasserverordnung TrinkwV 2001) (German Drinking Water Ordinance), as of 28 November 2011 (BGBI. I p. 2370), as amended by Article 2, Paragraph 19 of the Act of 22 December 2011 (BGBI. I p. 3044)*)*) Registered in the DITR database of DIN Software GmbH,
12、obtainable from: Beuth Verlag GmbH, 10772 Berlin. DIN EN 12386:2013-01 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12386 October 2012 ICS 71.100.80 Supersedes EN 12386:2005English Version Chemicals used for treatment of water intended for human consumption
13、 - Copper sulfate Produits chimiques utiliss pour le traitement de leau destine la consommation humaine - Sulfate de cuivre Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Kupfersulfat This European Standard was approved by CEN on 23 September 2012. CEN members are bound to compl
14、y 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
15、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 sam
16、e 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,
17、 Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All ri
18、ghts of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12386:2012: EEN 12386:2012 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Description .54 Purity criteria 75 Test methods 86 Labelling Transportation Storage .
19、17Annex A (informative) General information on copper sulfate . 19Annex B (normative) General rules relating to safety 21Annex C (informative) Routine method for the determination of copper in copper sulfate pentahydrate . 22Bibliography . 23DIN EN 12386:2013-01 EN 12386:2012 (E) 3 Foreword This doc
20、ument (EN 12386:2012) has been prepared by Technical Committee CEN/TC 164 “Water supply”, 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 April 2013, and
21、 conflicting national standards shall be withdrawn at the latest by April 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This d
22、ocument supersedes EN 12386:2005. The significant technical differences between this edition and EN 12386:2005 are as follows: Modification of 6.2 on labelling, deletion of the reference to EU Directive 80/778/EEC of 15 July 1980 in order to take account of the latest Directive in force. According t
23、o the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greec
24、e, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 12386:2013-01 EN 12386:2012 (E) 4 Introduction In respect of potential adverse effects on t
25、he quality of water intended for human consumption caused by the product covered by this European Standard: a) this European Standard provides no information as to whether the product may be used without restriction in any of the Member States of the EU or EFTA; b) it should be noted that, while awa
26、iting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. NOTE 1 Conformity with this European Standard does not confer or imply acceptance or approval of the product in any of the Member States of
27、 the EU or EFTA. The use of the product covered by this European Standard is subject to regulation or control by National Authorities. NOTE 2 This product is a biocide and will need to comply with the relevant legislation in force. In the European Union, at the time of publication, this legislation
28、is Directive 98/8/EC 1. DIN EN 12386:2013-01 EN 12386:2012 (E) 5 1 Scope This European Standard is applicable to copper (II) sulfate pentahydrate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of copper (II) sulfate pentahy
29、drate and refers to the corresponding analytical methods. It gives information for its use in water treatment. It also determines the rules relating to safe handling and use of copper (II) sulfate pentahydrate (see Annex B). 2 Normative references The following documents, in whole or in part, are no
30、rmatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN ISO 3696, Water for analytical laboratory use Specificat
31、ion and test methods (ISO 3696) ISO 3165, Sampling of chemical products for industrial use Safety in sampling ISO 4793, Laboratory sintered (fritted) filters Porosity grading, classification and designation ISO 5993, Sodium hydroxide for industrial use Determination of mercury content Flameless atom
32、ic absorption spectrometric method ISO 6206, Chemical products for industrial use Sampling Vocabulary ISO 6332, Water quality Determination of iron Spectrometric method using 1,10-phenanthroline ISO 6353-1, Reagents for chemical analysis Part 1: General test methods ISO 8213, Chemical products for i
33、ndustrial use Sampling techniques Solid chemical products in the form of particles varying from powders to coarse lumps 3 Description 3.1 Identification 3.1.1 Chemical name Copper (II) sulfate pentahydrate. 3.1.2 Synonym or common names Copper vitriol, blue vitriol, cupric sulfate. 3.1.3 Relative mo
34、lecular mass For pentahydrate: 249,69. 3.1.4 Empirical formula CuSO4.5H2O. DIN EN 12386:2013-01 EN 12386:2012 (E) 6 3.1.5 Chemical formula CuSO4.5H2O. 3.1.6 CAS-Registry Number 1)anhydrous form:7758-98-7. pentahydrate: 7758-99-7. 3.1.7 EINECS reference 2)231-847-6 (anhydrous form). 3.2 Commercial fo
35、rm The product is a powder or crystals. 3.3 Physical properties 3.3.1 Appearance The product is a powder or crystals, with a deep blue colour. 3.3.2 Density The density of the copper (II) sulfate pentahydrate is 2,28 g/cm at 20 C. 3.3.3 Solubility in water The solubility of the copper (II) sulfate p
36、entahydrate is 266 g/l at 20 C. 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point at 100 kPa 3)Not applicable. 3.3.6 Melting point The product decomposes above 300 C. 3.3.7 Specific heat Not known. 1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Ch
37、emical Substances. 3) 100 kPa = 1 bar. DIN EN 12386:2013-01 EN 12386:2012 (E) 7 3.3.8 Viscosity, dynamic Not applicable. 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 Copper (II) sulfate pentahydra
38、te dehydrates partially at 29 C and entirely at 250 C. The pH value of an aqueous solution with a concentration of 10 g/l CuSO4is in the range 3,5 to 4. If thermal decomposition occurs, SO2is released. 4 Purity criteria 4.1 General This European Standard specifies the minimum purity requirements for
39、 copper (II) sulfate pentahydrate used for the 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 use
40、r and when necessary to relevant authorities. Users of this product should check the national regulations in order to clarify whether it is of appropriate purity for treatment of water intended for human consumption, taking into account raw water quality, required dosage, contents of other impuritie
41、s and additives used in the product not stated in this product standard. Limits have been given for impurities and chemical parameters where these are likely to be present in significant quantities from the current production process and raw materials. If the production process or raw materials lead
42、s to significant quantities of impurities, by-products or additives being present, this shall be notified to the user. 4.2 Composition of commercial product The content of copper (II) sulfate pentahydrate shall not be less than a mass fraction of 98 %. 4.3 Impurities and main by-products The product
43、 shall conform to the requirements specified in Table 1. DIN EN 12386:2013-01 EN 12386:2012 (E) 8 Table 1 Impurities Impurity Limit in product (pentahydrate) Insoluble matter max Mass fraction 0,5 % Moisture max Mass fraction 0,5 % Free sulfuric acid max Mass fraction 0,2 % Iron (Fe) max 200 mg/kg 4
44、.4 Chemical parameters The product shall conform to the requirements specified in Table 2. Table 2 Chemical parameters Parameter Limit mg/kg of product (pentahydrate) Antimony (Sb) max 1 Arsenic (As) max 5 Cadmium (Cd) max 10 Chromium (Cr) max 5 Lead (Pb) max 70 Mercury (Hg) max 0,1 Nickel (Ni) max
45、100 Selenium (Se) max 1 NOTE Cyanides (CN-), pesticides and polycyclic aromatic hydrocarbons are not relevant because the raw materials used in the manufacturing process are free of them. For parametric values of copper (II) sulfate pentahydrate on trace metal content in drinking water, see 2. 5 Tes
46、t methods 5.1 Sampling Observe the general recommendations of ISO 3165 and take into account ISO 6206. Prepare the laboratory sample(s) required by the relevant procedure described in ISO 8213. 5.2 Analyses 5.2.1 Main product 5.2.1.1 General For routine method, see Annex C. DIN EN 12386:2013-01 EN 1
47、2386:2012 (E) 9 5.2.1.2 Principle The copper content is determined electrolytically. 5.2.1.3 Reagents All reagents shall be of a recognised analytical grade and the water used shall conform to the grade 3 specified in EN ISO 3696. 5.2.1.3.1 Nitric acid concentrated, = 1,40 g/ml. 5.2.1.3.2 Sulfuric a
48、cid concentrated, = 1,84 g/ml. 5.2.1.3.3 Ethanol, solution volumic fraction 95 %. 5.2.1.4 Apparatus Ordinary laboratory apparatus and glassware, together with the following: 5.2.1.4.1 Direct current supply. 5.2.1.4.2 Tared, perforated platinum cylinder cathode. 5.2.1.4.3 Platinum wire anode. 5.2.1.5
49、 Test sample Mix a 500 g sample thoroughly and place approximately 100 g of this material in a properly stoppered glass container. 5.2.1.6 Procedure Weigh out a test portion of approximately 5 g (m) of copper (II) sulfate pentahydrate as rapidly as possible and transfer quantitatively to a tall-form 400 ml beaker. Dissolve the test portion in 350 ml water and then add 10 ml H2SO4 (5.2.1.3.2). Allow the solution to cool to room temperature. Deposit the copper elect
