1、September 2016 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).ICS 71.100.80This standard has bee
2、n included in the body of DVGW Technical Rules.!%3k“2561672www.din.deDIN EN 887Chemicals used for treatment of water intended for human consumption Aluminium iron (III) sulfate;English version EN 887:2016,English translation of DIN EN 887:2016-09Produkte zur Aufbereitung von Wasser fr den menschlich
3、en Gebrauch AluminiumEisen(III)sulfat;Englische Fassung EN 887:2016,Englische bersetzung von DIN EN 887:2016-09Produits chimiques utiliss pour le traitement de leau destine la consommation humaine Sulfate daluminium et de fer (III);Version anglaise EN 887:2016,Traduction anglaise de DIN EN 887:2016-
4、09SupersedesDIN EN 887:200502www.beuth.deDocument comprises 23 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.09.16 DIN EN 887:2016-09 2 A comma is used as the decimal marker. National foreword This document (EN 887:2016) has
5、been prepared by Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was DIN-Normenausschuss Wasserwesen (DIN Standards Committee Water Practice), DIN-DVGW Joint Working Committee NA 119-07-13 AA Aufbereitungsstoffe und
6、-anlagen. Users of this standard are advised of the reservations stated in the Introduction of the European Standard and should note that national regulations exist in Germany dealing with water for human consumption, in particular the Trinkwasserverordnung (TrinkwV2001) (German Drinking Water Ordin
7、ance). Since, as of the publication of this standard, aluminium iron (III) sulfate is not mentioned in the list of substances for treatment and disinfection of water in accordance with article 11 of the Trinkwasserverordnung 2001, it shall not be used for the treatment of drinking water. Amendments
8、This standard differs from DIN EN 887:2005-02 as follows: a) CAS Registry Numbers for aluminium sulfate tetradecahydrate, hexadecahydrate and octadecahydrate have been added; b) a normative reference concerning the determination of iron (III) sulfate has been added; c) specifications concerning haza
9、rd and safety related symbols have been brought in line with the Globally Harmonized System of Classification, Labelling and Packaging of Chemicals (GHS); d) details regarding transportation regulations and labelling have been differentiated according to the means of delivery (solids, liquids); e) s
10、torage requirements have been revised. Previous editions DIN EN 887: 2002-02, 2005-02 DIN EN 887:2016-09 3 National Annex NA (informative) Bibliography Verordnung ber die Qualitt von Wasser fr den menschlichen Gebrauch (Trinkwasserverordnung TrinkwV 2001) (German Drinking Water Ordinance), as of 2 A
11、ugust 2013 (BGBI. I, 2013, no. 46, pp. 2977-3004), as amended by Article 4, Paragraph 22 of the Act of 7 August 2013 (BGBI. I, no. 48, pp. 3154-3211)*) *)Obtainable from: Bundesministerium der Justiz (German Federal Ministry of Justice) (Internet: http:/www.gesetze-im-internet.de). DIN EN 887:2016-0
12、9 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 887 March 2016 ICS 71.100.80 Supersedes EN 887:2004English Version Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) sulfate Produits chimiques utiliss pour le traiteme
13、nt de leau destine la consommation humaine - Sulfate daluminium et de fer (III) Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Aluminium-Eisen(III)-sulfatThis European Standard was approved by CEN on 18 January 2016. CEN members are bound to comply with the CEN/CENELEC Internal
14、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
15、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 version
16、s. 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, Pol
17、and, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation
18、in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 887:2016 EEN 887:2016 (E) 2 Contents Page European foreword . 4 Introduction 5 1 Scope 6 2 Normative references 6 3 Description 6 3.1 Identification 6 3.1.1 Chemical name . 6 3.1.2 Synonym or common name . 6 3.1.3
19、Relative molecular mass 6 3.1.4 Empirical formula . 6 3.1.5 Chemical formula 6 3.1.6 CAS Registry Number . 7 3.1.7 EINECS reference . 7 3.2 Commercial forms 7 3.3 Physical properties 7 3.3.1 Appearance . 7 3.3.2 Density 7 3.3.3 Solubility in water 7 3.3.4 Vapour pressure at 20 C . 7 3.3.5 Boiling po
20、int at 100 kPa . 8 3.3.6 Crystallization point 8 3.3.7 Specific heat 8 3.3.8 Viscosity (dynamic) 8 3.3.9 Critical temperature 8 3.3.10 Critical pressure 8 3.3.11 Physical hardness . 8 3.4 Chemical properties . 8 4 Purity criteria . 9 4.1 General . 9 4.2 Composition of commercial product . 9 4.3 Impu
21、rities and main by-products . 9 4.4 Chemical parameters 9 5 Test methods . 10 5.1 Sampling 10 5.1.1 General 10 5.1.2 Solid 10 5.1.3 Liquid . 10 5.2 Analyses 11 6 Labelling - Transportation - Storage . 11 6.1 Means of delivery . 11 6.2 Labelling according to the EU legislation)11 6.3 Transportation r
22、egulations and labelling 12 6.4 Marking . 13 6.5 Storage . 13 6.5.1 General 13 DIN EN 887:2016-09EN 887:2016 (E) 3 6.5.2 Long term stability . 13 6.5.3 Storage incompatibilities 13 Annex A (informative) General information on aluminium iron (III) sulfate 14 A.1 Origin 14 A.1.1 Raw materials 14 A.1.2
23、 Manufacturing process . 14 A.2 Quality of commercial product 14 A.3 Use . 16 A.3.1 Function . 16 A.3.2 Form in which it is used . 16 A.3.3 Treatment dose . 16 A.3.4 Means of application . 16 A.3.5 Secondary effects 17 A.3.6 Removal of excess product . 17 Annex B (normative) General rules relating t
24、o safety 18 B.1 Rules for safe handling and use 18 B.2 Emergency procedures 18 B.2.1 First aid 18 B.2.2 Spillage . 18 B.2.3 Fire . 18 Bibliography . 19 DIN EN 887:2016-09EN 887:2016 (E) 4 European foreword This document (EN 887:2016) has been prepared by Technical Committee CEN/TC 164 “Water supply”
25、, 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 September 2016, and conflicting national standards shall be withdrawn at the latest by September 2016.
26、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. This document supersedes EN 887:2004. Significant technical differences between this edition and EN 8
27、87:2004 are as follows: a) addition of CAS Registry Numbers for aluminium sulfate tetradecahydrate, hexadecahydrate and octadecahydrate; b) addition of normative reference concerning the determination of iron (III) sulfate; c) replacement of warning and safety precautions notes by labelling accordin
28、g to Regulation (EC) No 1272/2008”. 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, Former Yugosla
29、v 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 the United Kingdom. DIN EN 887:2016-09EN 887:2016 (E) 5 Introduction In
30、 respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this document: a) this document 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
31、 be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. NOTE Conformity with this document does not confer or imply acceptance or approval of the product in any of the Me
32、mber States of the EU or EFTA. The use of the product covered by this document is subject to regulation or control by National Authorities. DIN EN 887:2016-09EN 887:2016 (E) 6 1 Scope This document is applicable to aluminium iron (III) sulfate used for treatment of water intended for human consumpti
33、on. It describes the characteristics of aluminium iron (III) sulfate and specifies the requirements for aluminium iron (III) sulfate and refers to the corresponding analytical methods. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use
34、of aluminium iron (III) sulfate (see Annex B). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition
35、of the referenced document (including any amendments) applies. EN 890:2012, Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution EN 1302, Chemicals used for treatment of water intended for human consumption - Aluminium-based coagulants - Analytical metho
36、ds ISO 3165, Sampling of chemical products for industrial use Safety in sampling ISO 6206, Chemical products for industrial use Sampling Vocabulary ISO 8213, Chemical products for industrial use Sampling techniques Solid chemical products in the form of particles varying from powders to coarse lumps
37、 3 Description 3.1 Identification 3.1.1 Chemical name Aluminium iron (III) sulfate. 3.1.2 Synonym or common name Aluminium and iron sulfate. 3.1.3 Relative molecular mass Variable (see 3.1.4). 3.1.4 Empirical formula (AlxFe1-x)2(SO4)3where x is 0,70 to 0,95. 3.1.5 Chemical formula xAl2(SO4)3. (1 - x
38、) Fe2(SO4)3. n H2O where n is variable and x varies from 0,70 to 0,95. DIN EN 887:2016-09EN 887:2016 (E) 7 3.1.6 CAS Registry Number1)The following is a list of CAS Registry Numbers for the components: Al2(SO4)3: 10043-01-3; Al2(SO4)3 14 H2O: 16828-12-9; Al2(SO4)316 H2O: 16828-11-8; Al2(SO4)318 H2O:
39、 7784-31-8; Fe2(SO4)3: 10028-22-5. 3.1.7 EINECS reference2)The following is a list of EINECS reference numbers for the components: Al2(SO4)3: 233-135-0; Fe2(SO4)3: 233-072-9. 3.2 Commercial forms Aluminium iron (III) sulfate is available in solid hydrated forms, with different particle sizes (slabs,
40、 kibbled, ground, granulated), and as aqueous solutions. 3.3 Physical properties 3.3.1 Appearance The product is a yellow to brown solid or liquid. 3.3.2 Density The density of aluminium iron (III) sulfate solution varies depending on the composition. For example: 1,330 g/ml for solution containing
41、36 g/kg of Al and 15 g/kg of Fe at 15 C. The bulk density (loose) of granulated solid product is approximately 0,9 g/cm3. 3.3.3 Solubility in water The solubility of aluminium iron (III) sulfate varies depending on the content of iron. For example: for a solid form containing 72 g/kg of aluminium an
42、d 30 g/kg of iron, at 0 C the solubility is: 36 g/kg of Al in solution; 15 g/kg of Fe in solution. 3.3.4 Vapour pressure at 20 C Not known. 1)Chemical Abstracts Service Registry Number. 2)European Inventory of Existing Commercial Chemical Substances. DIN EN 887:2016-09EN 887:2016 (E) 8 3.3.5 Boiling
43、 point at 100 kPa3)120 C for a saturated solution. 3.3.6 Crystallization point The crystallization point of aluminium iron (III) sulfate varies, depending on the composition. For example: 13 C for composition containing 36 g/kg of Al and 15 g/kg of Fe. 3.3.7 Specific heat Not known. 3.3.8 Viscosity
44、(dynamic) The viscosity of aluminium iron (III) sulfate solution varies greatly, depending on the composition and content of insoluble matters. For a typical commercially available solution with a composition containing 36 g/kg of Al and 15 g/kg of Fe, the viscosity is given in Table 1. Table 1 Visc
45、osity Temperature Viscosity (C) (mPas) - 5 62 0 49 10 29 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 Aluminium iron (III) sulfate is a slightly acidic hydrated salt or solution. Very dilute solut
46、ions hydrolyze and form a precipitate of aluminium hydroxide and iron hydroxide. NOTE The solubility of aluminium and the solubility of iron depend on the pH value and it is advised to use the product within an appropriate pH range. 3)100 kPa = 1 bar. DIN EN 887:2016-09EN 887:2016 (E) 9 4 Purity cri
47、teria 4.1 General This document specifies the minimum purity requirements for aluminium iron (III) sulfate 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 othe
48、r impurities may be present and, if so, this shall be notified to the user 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 int
49、o account raw water quality, required dosage, contents of other impurities and additives used in the products not stated in this document. 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 to significant quantities of impurities, by-products or additives being presen
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