1、BSI Standards PublicationBS EN 15040:2014Chemicals used for treatmentof water intended for humanconsumption Antiscalantsfor membranes Phosphonicacids and saltsBS EN 15040:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15040:2014. Itsupersedes BS EN 15040:2
2、006 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee CII/59, Chemicals for drinking water treatment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the nece
3、ssaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 82880 5ICS 71.100.80Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was
4、published under the authority of theStandards Policy and Strategy Committee on 31 March 2014.Amendments issued since publicationDate Text affectedBS EN 15040:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15040 March 2014 ICS 71.100.80 Supersedes EN 15040:2006English Version Chemicals used
5、 for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts Produits chimiques pour le traitement de leau destine la consommation humaine - Produits antitartre pour membranes - Acides phosphoniques et sels Produkte zur Aufbereitung von Wasser fr d
6、en menschlichen Gebrauch - Antiscalants fr Membranen - Phosphonsuren und deren Salze This European Standard was approved by CEN on 5 January 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of
7、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).
8、 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, Cy
9、prus, 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 K
10、ingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1504
11、0:2014 EBS EN 15040:2014EN 15040:2014 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 5 2 Normative references 5 3 Description . 6 3.1 Identification . 6 3.2 Commercial forms . 8 3.3 Physical properties 8 3.4 Chemical properties 9 4 Purity criteria 9 4.1 General 9 4.2 Composition of commerci
12、al product . 10 4.3 Impurities and main by-products . 10 4.4 Chemical parameters 10 5 Test methods 10 5.1 Sampling . 10 5.2 Analyses . 12 6 Labelling - Transportation - Storage 15 6.1 Means of delivery . 15 6.2 Risk and safety labelling according to the EU legislation 16 6.3 Transportation regulatio
13、ns and labelling 16 6.4 Marking . 16 6.5 Storage 17 Annex A (informative) General information on phosphonic acids and salts 18 Annex B (normative) General rules relating to safety 20 Annex C (informative) Environmental, health and safety precautions within chemical laboratory . 21 Bibliography 22 BS
14、 EN 15040:2014EN 15040:2014 (E) 3 Foreword This document (EN 15040:2014) 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
15、or by endorsement, at the latest by September 2014 and conflicting national standards shall be withdrawn at the latest by September 2014. This document supersedes EN 15040:2006. Significant technical differences between this edition and EN 15040:2006 are as follows: replacement of warning and safety
16、 precautions notes by labelling according 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, De
17、nmark, 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 the United Kingdom. WARNING The
18、use of this standard may involve hazardous materials, operations and equipment. This standard does not purport to address all the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the appl
19、icability of regulatory limitations prior to use. BS EN 15040:2014EN 15040:2014 (E) 4 Introduction In respect of potential adverse effects on the quality of water intended for human consumption, caused by the products covered by this European Standard: a) this European Standard provides no informati
20、on as to whether the products may be used without restriction in any of the Member States of the EU or EFTA; b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of these products remain i
21、n force. NOTE Conformity with this European Standard does not confer or imply acceptance or approval of the products in any of the Member States of the EU or EFTA. The use of the products covered by this European Standard is subject to regulation or control by National Authorities. BS EN 15040:2014E
22、N 15040:2014 (E) 5 1 Scope This European Standard is applicable to phosphonic acids and salts used as antiscalants for membranes in the treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding analytical methods for phos
23、phonic acids and salts. It gives information on their use as antiscalants for membranes in water treatment. It also determines the rules relating to safe handling and use (see Annex B). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document a
24、nd 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 1233, Water quality Determination of chromium Atomic absorption spectrometric methods EN ISO 36
25、96, Water for analytical laboratory use - Specification and test methods (ISO 3696) EN ISO 5961, Water quality - Determination of cadmium by atomic absorption spectrometry (ISO 5961) EN ISO 11885, Water quality - Determination of selected elements by inductively coupled plasma optical emission spect
26、rometry (ICP-OES) (ISO 11885) EN ISO 11969, Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique) (ISO 11969) EN ISO 12846, Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12
27、846) ISO 2997, Phosphoric acid for industrial use Determination of sulphate content Method by reduction and titrimetry ISO 3165, Sampling of chemical products for industrial use Safety in sampling ISO 3360, Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) Determination
28、 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 techn
29、iques Solid chemical products in the form of particles varying from powders to coarse lumps ISO 8288:1986, Water quality Determination of cobalt, nickel, copper, zinc, cadmium and lead Flame atomic absorption spectrometric methods ISO 9965, Water quality Determination of selenium Atomic absorption s
30、pectrometric method (hydride technique) BS EN 15040:2014EN 15040:2014 (E) 6 3 Description 3.1 Identification 3.1.1 Chemical name a) Morpholinomethane diphosphonic acid, b) Aminotrismethylene phosphonic acid, c) Hydroxyethane diphosphonic acid, d) Diethylene triamine pentamethylene phosphonic acid, e
31、) Ethylene diamine tetramethylene phosphonic acid, f) Ethanol aminobismethylene phosphonic acid, g) Phosphonobutane tricarboxylic acid, h) Hexamethylenediamine tetramethylene phosphonic acid. These acids can also be used as sodium, potassium, and ammonium salts. 3.1.2 Synonym or common names a) MOMP
32、, b) ATMP, c) HEDP, d) DETAPMP, e) EDATMP, f) EABMP, g) PBTC, h) HDTMP 3.1.3 Relative molecular mass a) 260,15 b) 299,04 c) 206,02 d) 572,95 e) 436,06 f) 249,02 g) 270,82 BS EN 15040:2014EN 15040:2014 (E) 7 h) 492,23 3.1.4 Empirical formula a) C5H13O7P2N, b) C3H12O9P3N, c) C2H8O7P2, d) C9H28O15N3P5,
33、 e) C6H20O12N2P4, f) C4H13O7P2N, g) C7H11O9P, h) C10H28N2O12P4.3.1.5 Chemical formula a) C5H13O7P2N, b) C3H12O9P3N, c) C2H8O7P2, d) C9H28O15N3P5, e) C6H20O12N2P4, f) C4H13O7P2N, g) C7H11O9P, h) C10H28N2O12P4.3.1.6 CAS Registry Number 1)a) 32545-75-8, b) 6419-19-8, c) 2809-21-4, d) 15827-60-8, e) 142
34、9-50-1, f) 5995-42-6, g) 37971-36-1, 1)Chemical Abstracts Service Registry Number. BS EN 15040:2014EN 15040:2014 (E) 8 h) 23605-74-5. 3.1.7 EINECS reference 2)a) 251-094-7, b) 229-146-5, c) 220-552-8, d) 239-931-4, e) 215-851-5, f) 227-833-4, g) 253-733-5, h) 245-781-0. 3.2 Commercial forms The phos
35、phonic acids and salts are 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 (active acid or active salt) and shall be calculated accordingly. 3.3 Physical properties 3.
36、3.1 Appearance Solid: The product is a yellowish or white powder or granulate. Liquid: The product is a colourless, light yellow, pale yellow, amber or brown solution. 3.3.2 Density Solid: The bulk density of the product varies from 500 g/dm3to 1200 g/dm3. Liquid: The density of solution is typicall
37、y 1,1 g/ml to 1,46 g/ml for a product concentration from mass fraction 22 % to 60 % of active matter at 20 C. 3.3.3 Solubility in water Solid: the solubility is approximately 300 g/l solution (Na4HEDP) at 25 C, and approximately 420 g/l solution (Na7DETAPMP) at 25 C. Liquid: it is miscible in all pr
38、oportions with pure water. 3.3.4 Vapour pressure Not applicable. 2)European Inventory of Existing Commercial Chemical Substances. BS EN 15040:2014EN 15040:2014 (E) 9 3.3.5 Boiling point at 100 kPa 3)Not applicable. 3.3.6 Melting point Not applicable. 3.3.7 Specific heat Not known. 3.3.8 Viscosity (d
39、ynamic) For the solid product it is not applicable. For the liquid the viscosity is equal from 4 mPa.s to 170 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 propert
40、ies The phosphonic acids and solutions of phosphonic acid salts have acidic to alkaline reactions. The pH value of an aqueous solution of a mass fraction of 1 % is approximately between 2 to 12. 4 Purity criteria 4.1 General This European Standard specifies the minimum purity requirements for phosph
41、onic acids and salts used as antiscalants for membranes for the treatment of water intended for human consumption. Limits are given for impurities commonly present in the products. Depending on the raw material and the manufacturing process other impurities may be present and, if so, this shall be n
42、otified to the user and when necessary to relevant authorities. Users of these products 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, content
43、s of other impurities and additives used in the products not stated in this product standard. Limits have been given for impurities and chemicals parameters where these are likely to be present in significant quantities from the current production process and raw materials. If the production process
44、 or raw materials lead to significant quantities of impurities, by-products or additives being present, this shall be notified to the user. 3)100 kPa = 1 bar. BS EN 15040:2014EN 15040:2014 (E) 10 4.2 Composition of commercial product The products shall conform to the following requirements on a dry
45、mass basis: phosphorus content expressed as 35,07-95,27 % PO4dry mass basis. 4.3 Impurities and main by-products The phosphonic acids and salts shall conform to the requirements specified in Table 1. Table 1 Limits of impurities Impurity Limit mg/kg of dry product Sulfate (SO42-) max. 500 Fluoride (
46、F-) max. 10 4.4 Chemical parameters Content of various metals depends on the origin of the raw materials, most of these elements are present only as traces. The products shall conform to the requirements specified in Table 2. Table 2 Chemical parameters Parameter Limit mg/kg of dry product Antimony
47、(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 relevant in these products 1 5 Test methods 5.1 Sampling 5.1.1 Gen
48、eral Observe the recommendations of ISO 3165 and take account of ISO 6206. BS EN 15040:2014EN 15040:2014 (E) 11 5.1.2 Solid Prepare the laboratory sample(s) required by the relevant procedure described in ISO 8213. 5.1.3 Liquid 5.1.3.1 Sampling from drums and bottles 5.1.3.1.1 General 5.1.3.1.1.1 Mi
49、x the contents of each container to be sampled by shaking the container, by rolling it or by rocking it from side to side, taking care not to damage the container or spill any of the liquid. 5.1.3.1.1.2 If the design of the container is such (for example, a narrow-necked bottle) that it is impracticable to use a sampling implement, take a sample by pouring after the contents have been thoroughly mixed. Otherwise, proceed as described in 5.1.3.1.1.3. 5.1.3.1.1.3 Examine the surface of the liquid. If there are signs of surfac
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