BS EN 16811-1-2016 Winter service equipment and products De-icing agents Sodium chloride Requirements and test methods《冬季服务设备及产品 除冰剂 氯化钠 要求和试验方法》.pdf

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1、BS EN 16811-1:2016Winter service equipment andproducts De-icing agents -Part 1: Sodium chloride Requirementsand test methodsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 16811-1:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementat

2、ion of EN 16811-1:2016.The UK participation in its preparation was entrusted to TechnicalCommittee B/513, Construction equipment and plant and site safety.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all

3、 the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 88076 6ICS 13.030.40; 71.100.45Compliance with a British Standard cannot confer immunity fromlegal obligations.This B

4、ritish Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 16811-1:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16811-1 August 2016 ICS 13.030.40; 71.100

5、.45 English Version Winter service equipment and products - De-icing agents -Part 1: Sodium chloride - Requirements and test methodsMatriels de viabilit hivernale - Fondants routiers - Partie 1 : Chlorure de sodium - Exigences et mthodes dessai Winterdienstausrstung - Enteisungsmittel - Teil 1: Natr

6、iumchlorid - Anforderungen und Prfmethoden This European Standard was approved by CEN on 15 April 2016. 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.

7、 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). A version in any other language made by tr

8、anslation 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, Cyprus, Czech Republic, Denmark, Estonia, Fin

9、land, 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 Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZAT

10、ION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16811-1:2016 EBS EN 16811-1:2016EN 16811-1:2016

11、 (E) 2 Contents Page European foreword . 4 Introduction 5 1 Scope 6 2 Normative references 6 3 Terms and definitions . 7 4 Requirements for sodium chloride. 7 4.1 Chemical Requirements 7 4.2 Moisture 7 4.3 Sieve analysis 8 4.4 General requirements . 8 4.5 Marking and product description . 9 5 Requir

12、ements for brine . 10 5.1 Chemical Requirements . 10 5.2 General requirements 10 5.3 Marking and product description 11 6 Sampling 12 7 Test methods . 12 7.1 General . 12 7.2 NaCl . 12 7.2.1 General . 12 7.2.2 Direct method 12 7.2.3 Indirect method 12 7.3 Sulfate . 12 7.4 Moisture. 12 7.5 Sieve anal

13、ysis . 13 7.6 Anti-caking agent . 13 7.7 Heavy metals, etc 13 7.8 Hydrocarbons 13 7.9 TOC (total organic carbon) . 13 7.10 pH . 13 7.11 Water insoluble matter 13 7.12 Bulk density . 13 7.13 Density . 13 Annex A (normative) Product descriptions . 14 A.1 Product description for sodium chloride 14 A.2

14、Product description for brine 17 Annex B (normative) Sampling 19 B.1 Solid sodium chloride . 19 B.1.1 Package shipments 19 B.1.2 Bulk shipments . 19 B.2 Brine . 19 B.3 Labelling and distribution of samples 19 B.4 Sampling report 19 BS EN 16811-1:2016EN 16811-1:2016 (E) 3 Annex C (normative) Analytic

15、al methods . 21 C.1 Determination of sodium chloride (potentiometric method) 21 C.1.1 Scope and field of application 21 C.1.2 Principle . 21 C.1.3 Reagents . 21 C.1.4 Apparatus 22 C.1.5 Sampling and samples 22 C.1.6 Procedure 22 C.1.7 Expression of results . 23 C.2 Determination of aluminium, arseni

16、c, cadmium, calcium, chromium, cobalt, copper, lead, magnesium, nickel, sulfate, zinc (inductively coupled plasma optical emission spectrometry (ICP/OES) . 24 C.2.1 General . 24 C.2.2 Principle . 25 C.2.3 Reagents . 25 C.2.4 Apparatus (informative) 25 C.2.5 Sampling and samples 26 C.2.6 Procedure 26

17、 C.2.7 Expression of results . 29 C.2.8 Remarks . 32 C.3 Determination of total mercury (cold vapour atomic absorption spectrometry) 32 C.3.1 General . 32 C.3.2 Principle . 33 C.3.3 Reagents . 33 C.3.4 Apparatus (informative) 34 C.3.5 Procedure 35 C.3.6 Expression of results . 36 C.4 Determination o

18、f anti-caking agent (molecular absorption spectrometry) . 38 C.4.1 General . 38 C.4.2 Principle . 39 C.4.3 Reagents . 39 C.4.4 Apparatus 39 C.4.5 Sampling and samples 40 C.4.6 Procedure 40 C.4.7 Expression of results . 41 Bibliography . 43 BS EN 16811-1:2016EN 16811-1:2016 (E) 4 European foreword Th

19、is document (EN 16811-1:2016) has been prepared by Technical Committee CEN/TC 337 “Road operation equipment and products”, 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,

20、 at the latest by February 2017, and conflicting national standards shall be withdrawn at the latest by February 2017. 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 identifyin

21、g any or all such patent rights. EN 16811, Winter service equipment and products De-icing agents, is currently composed with the following parts: Part 1: Sodium chloride Requirements and test methods; Part 2: Calcium chloride and Magnesium chloride Requirements and test methods; Part 3: Other solid

22、and liquid de-icing agents Requirements and test methods CEN/TS. According to 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, Est

23、onia, 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. BS EN 16811-1:2016EN 1

24、6811-1:2016 (E) 5 Introduction De-icing agents are important for the winter maintenance of roads. They can prevent and, in addition to it, eliminate slippery conditions. The standard describes the requirements for de-icing salt and their testing methods. The requirements are different for using, sto

25、rage and type of distribution (spreading and spraying). These need different properties. The aim of this standard is an easy description of the product specifications for tenders and other purchasing procedures. BS EN 16811-1:2016EN 16811-1:2016 (E) 6 1 Scope This European Standard specifies the ess

26、ential requirements of sodium chloride (salt) for spreading on roads for winter maintenance and includes tests of these requirements. The requirements are specified for salt in crystallized form and for salt in solution (brine), which is delivered to the customer. 2 Normative references The followin

27、g 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 of the referenced document (including any amendments) applies. EN 932-1, Tests for

28、 general properties of aggregates Part 1: Methods for sampling EN 1235, Solid fertilizers Test sieving (ISO 8397:1988 modified) EN 1236, Fertilizers Determination of bulk density (loose) (ISO 3944:1992 modified) EN 1484, Water analysis Guidelines for the determination of total organic carbon (TOC) a

29、nd dissolved organic carbon (DOC) EN 15144, Winter maintenance equipment Terminology Terms for winter maintenance EN ISO 3696, Water for analytical laboratory use Specification and test methods (ISO 3696) EN ISO 9377-2, Water quality Determination of hydrocarbon oil index Part 2: Method using solven

30、t extraction and gas chromatography (ISO 9377-2) EN ISO 10523, Water quality Determination of pH (ISO 10523) ISO 565, Test sieves Metal wire cloth, perforated metal plate and electroformed sheet Nominal sizes of openings ISO 649-2, Laboratory glassware Density hydrometers for general purposes Part 2

31、: Test methods and use ISO 758, Liquid chemical products for industrial use Determination of density at 20 degrees C ISO 2479, Sodium chloride for industrial use Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations ISO 2480, Sodium chl

32、oride for industrial use Determination of sulphate content Barium sulphate gravimetric method ISO 2482, Sodium chloride for industrial use Determination of calcium and magnesium contents EDTA complexometric methods ISO 2483, Sodium chloride for industrial use Determination of the loss of mass at 110

33、 degrees C ISO 2591-1, Test sieving Part 1: Methods using test sieves of woven wire cloth and perforated metal plate ISO 6227, Chemical products for industrial use General method for determination of chloride ions Potentiometric method BS EN 16811-1:2016EN 16811-1:2016 (E) 7 3 Terms and definitions

34、For the purposes of this document, the terms and definitions given in EN 15144 and the following apply. 3.1 sodium chloride salt NaCl, substance which is produced as rock salt, as solar salt and as vacuum salt Note 1 to entry: Rock salt is extracted by mechanical mining of natural salt beds. Solar s

35、alt is produced by solar evaporation of sea water or brine from salt deposits and by extraction from salt lakes. Solar salt from sea water is named as sea salt. Vacuum salt is prepared by the evaporation of water from brine. Used salt (waste salt) comes from secondary aluminium smelters, from fisher

36、y industry, from leather industry, etc. REACH 4 registered synthetic by-product salts derive from chemical reactions (e.g. from gas cleaning in waste incinerators). 3.2 brine solution of sodium chloride in water Note 1 to entry: Brine is available as natural brine from underground deposits and from

37、solar salt/sea salt production, and as solution of rock salt, solar salt/sea salt or vacuum salt in water. Further sources are used salts and by-product salts. 4 Requirements for sodium chloride 4.1 Chemical Requirements The sodium chloride shall conform to the requirements specified in Table 1: Tab

38、le 1 Chemical requirements for sodium chloride Parameter Limit Weight % NaCl min. 90aSulfate max. 3aNOTE 1 NaCl is determined as total chloride content and expressed as NaCl (weight % in the dry product). NOTE 2 Sulfate is determined as water soluble sulfate and expressed as SO4(weight % in the dry

39、product). aThe NaCI and sulfate content of salt can be specified within these limits by the purchaser depending on his individual needs. It can also be specified within these limits at the national level (National Annexes to this European Standard). 4.2 Moisture The sodium chloride shall conform to

40、the requirements specified in Table 2. BS EN 16811-1:2016EN 16811-1:2016 (E) 8 Table 2 Moisture limits for sodium chloride Limit Weight % Dry salt Semi-dry salt Wet salt Moisture max. 0,6 max. 2,0 max. 6,0 For storage in silos dry salt is recommended. For rock salt a minimum moisture content of 0,2

41、weight % is recommended (to avoid dust during stocking and salt usage). NOTE 1 For undried vacuum salt the limit is max. 3,5 weight %. NOTE 2 The moisture contents are expressed as H2O in the delivered undried salts. 4.3 Sieve analysis The sodium chloride shall conform to the requirements specified

42、in Table 3. Table 3 Sieve analysis for sodium chloride Weight % passing test sieve Grade EF (extra fine salt) Grade F (fine salt) Grade M (medium salt) Grade C (coarse salt) 0,125 mm max. 5 0,8 mm 25 to 100 2,0 mm 100 (2 weight % production related tolerance with max. 3 mm grain size) 0,125 mm max.

43、5 0,8 mm 10 to 40 1,6 mm 30 to 80 3,15 mm 90 to 100 5,0 mm 100 (2 weight % production related tolerance with max. 8 mm grain size) 0,125 mm max. 7 0,8 mm 5 to 35 1,6 mm 10 to 60 3,15 mm 45 to 90 6,3 mm 100 (2 weight % production related tolerance with max. 8 mm grain size) 0,8 mm max. 35 3,15 mm 30

44、to 80 6,3 mm 75 to 95 10 mm 100 (2 weight % production related tolerance with max. 12 mm grain size) 4.4 General requirements The sodium chloride shall arrive at purchasers delivery point in a free-flowing and usable condition and shall conform to the requirements specified in Table 4. BS EN 16811-1

45、:2016EN 16811-1:2016 (E) 9 Table 4 General requirements for sodium chloride Parameter Limit Unit Anti-caking agent (sodium-, potassium-, or calcium ferrocyanide) min. 3 to max. 125 (expressed as Fe(CN)6-anion) mg/kg pH of 10 weight % solution between 5 and 10 Al (Aluminium) As (Arsenic) Cd (Cadmium)

46、 Co (Cobalt) Cr (Chromium) Cu (Copper) Hg (Mercury) Ni (Nickel) Pb (Lead) Zn (Zinc) Hydrocarbons 50 2,5 2 2 5 5 0,5 5 5 20 100 mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg NOTE 1 Other anti-caking agents are allowed if they have the same performance as the ferrocyanides. NOTE 2

47、The limits for Al (Aluminium) and hydrocarbons are foreseen for by-product salts and waste salts. There is no need to determine these parameters in natural based salts (rock salt, solar salt, vacuum salt). NOTE 3 The determination of heavy metals is performed in a solution with pH 4 (except mercury)

48、. NOTE 4 The parameters stated as mg/kg of dry product. For salt which is not of natural origin the supplier shall supply the content of total organic carbon (TOC) for the evaluation of the environmental impact. 4.5 Marking and product description The sodium chloride shall be delivered in bulk lots,

49、 or in bags or other containers acceptable to the purchaser. The following information shall be marked on the salt packaging or on associated documents: a) the name and address of the producer or supplier; b) the words “Salt for winter maintenance”; c) sieve analysis grade (extra fine, fine, medium or coarse salt); d) moisture class (dry, semi-dry or wet salt); e) the origin of salt (rock salt, solar salt/sea salt, vacuum salt, used salt or by-product salt); f) the net weig

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