1、BS EN1744-1:2009ICS 91.100.15NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDTests for chemicalproperties ofaggregatesPart 1: Chemical analysis+A1:2012National forewordThis British Standard is the UK implementation of EN 1744-1:2009+A1:2012. It supersedes BS EN
2、1744-1:2009, which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text alteredby CEN amendment A1 is indicated by !“.The UK participation in its pre
3、paration was entrusted by Technical Committee B/502, Aggregates to Subcommittee B/502/6, Test methods.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users ar
4、e responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN 1744-1:2009+A1:2012This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2010. The British Standards Institution
5、 2013. Published by BSI Standards Limited 2013Amendments/corrigenda issued since publicationDate Comments 31 January 2013 Implementation of CEN amendment A1:2012ISBN 978 0 580 76567 4EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1744-1:2009+A1 November 2012 ICS 91.100.15 Supersedes EN 1744-1:
6、2009English Version Tests for chemical properties of aggregates - Part 1: Chemical analysis Essais visant dterminer les proprits chimiques des granulats - Partie 1: Analyse chimique Prfverfahren fr chemische Eigenschaften von Gesteinskrnungen - Teil 1: Chemische Analyse This European Standard was ap
7、proved by CEN on 17 October 2009 and includes Amendment 1 approved by CEN on 15 October 2012. 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-dat
8、e 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 translation
9、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, Finland, Form
10、er 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 STANDARDIZATION COMIT
11、EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1744-1:2009+A1:2012: EEN 1744-1:2009+A1:2012 (E) 2 Contents Page Fore
12、word . 71 Scope 82 Normative references . 83 Terms and definitions . 94 Reagents 94.1 General . 94.2 Reagents for determination of water-soluble chloride salts using the Volhard method (Clause 7) . 104.3 Reagents for determination of water-soluble chloride salts by potentiometry (Clause 8) 114.4 Rea
13、gent for factory production control determination of water-soluble chloride salts using the Mohr method (Clause 9) . 114.5 Reagents for determination of water-soluble sulfates (Clause 10) . 114.6 Reagents for determination of total sulfur content (Clause 11) . 114.7 Reagents for determination of aci
14、d soluble sulfide content (Clause 13) 114.8 Reagents for determination of lightweight contaminators (see 14.2) . 134.9 Reagents for determination of potential presence of humus (see 15.1) . 134.10 Reagents for determination of fulvo acid content (see 15.2) . 134.11 Reagents for determination of free
15、 lime by complexometry (see 18.2) 144.12 Reagent for determination of free lime by conductometry (see 18.3) . 144.13 Reagents for determination of free lime by acidimetry (see 18.4) . 144.14 Reagent for the determination of the expansion of steel slag (see 19.3) 154.14.1 Silicone oil. 154.14.2 Hydro
16、chloric acid diluted (1 + 5). 155 Apparatus 155.1 General requirements . 155.2 Apparatus for general purposes . 155.3 Additional apparatus required for determination of water-soluble chloride salts following Volhard (see Clause 7) . 165.4 Additional apparatus required for potentiometric determinatio
17、n of water-soluble chloride salts (see Clause 8) 165.5 Additional apparatus required for factory production control determination of water soluble chloride salts following Mohr (see Clause 9) . 175.6 Additional apparatus required for determination of water-soluble sulfates (see Clause 10) 175.7 Addi
18、tional apparatus required for the determination of total sulfur content (see Clause 11) 175.8 Additional apparatus required for determination of sulfide content (see Clause 13) . 175.9 Additional apparatus required for determination of lightweight contaminators (see 14.2) 185.10 Additional apparatus
19、 required for determination of the potential presence of humus (see 15.1) . 185.11 Additional apparatus required for determination of fulvo acid content (see 15.2) 195.12 Additional apparatus required for determination of organic contaminators by mortar method (see 15.3) . 195.13 Additional apparatu
20、s required for determination of free lime by complexometry (see 18.2) 195.14 Additional apparatus required for determination of free lime by conductometry (see 18.3) 19BS EN 1744-1:2009+A1:2012EN 1744-1:2009+A1:2012 (E) 3 5.15 Additional apparatus required for acidimetric determination of free lime
21、(see 18.4) 225.16 Additional apparatus required for the determination of CaO in steel slag by X-ray diffraction (see 18.5). 225.17 Additional apparatus required for the determination of dicalcium silicate disintegration of air-cooled blast-furnace slag (see 19.1) 235.18 Additional apparatus required
22、 for determination of the volume expansion of steel slag (see 19.3) 236 General requirements for testing 266.1 Number of tests . 266.2 Repeatability and reproducibility 266.3 Expression of mass, volume, factors and results . 266.4 Drying of materials 266.5 Ignitions of precipitates 276.6 Check for t
23、he absence of chloride ions (silver nitrate test) . 277 Determination of water-soluble chloride salts using the Volhard method (Reference method) 277.1 Principle . 277.2 Sampling 277.3 Preparation of test specimens . 277.4 Preparation of extracts . 287.5 Procedure for the determination of the chlori
24、de content of the extracts . 287.6 Calculation and expression of results 298 Determination of water-soluble chloride salts by potentiometry (Alternative method) 298.1 Principle . 298.2 Sampling, preparation of test specimens and extracts 298.3 Procedure for the determination of the chloride content
25、of the extracts . 298.4 Calculation and expression of results 309 Determination of water-soluble chloride salts using the Mohr method (Alternative method) 309.1 General . 309.2 Principle . 309.3 Sampling 309.4 Preparation of test portion . 319.5 Preparation of extracts . 319.6 Procedure for the dete
26、rmination of the chloride content of the extracts . 319.7 Calculation and expression of results 3110 Determination of water-soluble sulfates. 3110.1 Determination of water soluble sulfates in natural and manufactured aggregates . 3110.1.1 Principle . 3110.1.2 Sampling 3210.1.3 Preparation of test po
27、rtion . 3210.1.4 Preparation of extracts . 3210.1.5 Procedure for the determination of the sulfate content of the extracts 3210.1.6 Calculation and expression of results 3310.2 Determination of water soluble sulfates in recycled aggregates 3310.2.1 Principle . 3310.2.2 Sampling 3310.2.3 Preparation
28、of test specimen . 3410.2.4 Preparation of extracts . 3410.2.5 Procedure for the determination of the sulfate content of the extracts, using a spectrophotometer . 3411 Determination of total sulfur content 3511.1 Determination of total sulfur content by acid digestion (Reference method) 3511.2 Deter
29、mination of total sulfur content by high temperature combustion (Alternative method) 37BS EN 1744-1:2009+A1:2012EN 1744-1:2009+A1:2012 (E) 4 11.2.1 Principle . 3711.2.2 Sampling 3711.2.3 Preparation of test portion . 3711.2.4 Procedure 3711.2.5 Calculation and expression of results 3712 Determinatio
30、n of acid soluble sulfates . 3712.1 Principle . 3712.2 Sampling 3812.3 Preparation of test portion . 3812.4 Procedure 3812.5 Calculation and expression of results 3813 Determination of acid soluble sulfides . 3913.1 Principle . 3913.2 Sampling 3913.3 Preparation of test portion . 3913.4 Procedure 39
31、13.5 Calculation and expression of results 4014 Determination of components affecting the surface finish of concrete . 4014.1 Examination for the presence of reactive iron sulfide particles 4014.1.1 General . 4014.1.2 Sampling 4014.1.3 Procedure 4114.2 Determination of lightweight contaminators . 41
32、14.2.1 General . 4114.2.2 Principle . 4114.2.3 Procedure 4114.2.4 Calculation and expression of results 4215 Determination of organic components affecting the setting and the hardening of cement 4215.1 Determination of potential presence of humus . 4215.1.1 Principle . 4215.1.2 Sampling 4215.1.3 Pre
33、paration of test portion . 4215.1.4 Procedure 4315.1.5 Expression of results 4315.2 Determination of fulvo acid content 4315.2.1 Principle . 4315.2.2 Sampling 4315.2.3 Preparation of test portion . 4315.2.4 Procedure 4315.2.5 Expression of results 4415.3 Determination of organic contaminators by mor
34、tar method 4415.3.1 Principle . 4415.3.2 Sampling 4415.3.3 Preparation of test portions . 4415.3.4 Preliminary treatment of test portions 4415.3.5 Constituents 4515.3.6 Mix quantities 4515.3.7 Mixing procedure 4515.3.8 Measurement of stiffening time . 4615.3.9 Compressive strength of hardened mortar
35、 4615.3.10 Calculation and expression of results 4616 Determination of water solubility 4716.1 Determination of water solubility of aggregate, excluding filler 4716.1.1 Principle . 4716.1.2 Sampling 4716.1.3 Preparation of test portion . 47BS EN 1744-1:2009+A1:2012EN 1744-1:2009+A1:2012 (E) 5 16.1.4
36、 Extraction of soluble components 4716.1.5 Calculation and expression of results 4716.2 Determination of water solubility of filler . 4816.2.1 Principle . 4816.2.2 Sampling 4816.2.3 Preparation of test portion . 4816.2.4 Extraction of soluble component 4816.2.5 Calculation and expression of results
37、4817 Determination of loss on ignition 4917.1 Principle . 4917.2 Sampling and preparation of test portion 4917.3 Procedure for the determination of loss on ignition . 4917.4 Calculation and expression of results 4918 Determination of free lime in steel slag 5018.1 General . 5018.2 Determination of f
38、ree lime by complexometry (Reference method) 5018.2.1 Principle . 5018.2.2 Sampling and preparation of test portion 5018.2.3 Procedure 5018.2.4 Calculation and expression of results 5118.3 Determination of free lime by conductometry (Alternative method) . 5118.3.1 Principle . 5118.3.2 Sampling and p
39、reparation of test portion 5118.3.3 Procedure 5118.3.4 Evaluation and expression of results . 5118.4 Determination of free lime by acidimetry (Alternative method) . 5118.4.1 Principle . 5118.4.2 Sampling and preparation of test portion 5218.4.3 Procedure 5218.4.4 Calculation and expression of result
40、s 5218.5 Determination of CaO in steel slag by X-ray diffraction . 5218.5.1 Principle . 5218.5.2 Procedure of analysis . 5318.5.3 Calibration procedure . 5418.5.4 Analytical results 5519 Determination of unsoundness of blast-furnace and steel slags 5519.1 Determination of dicalcium silicate disinteg
41、ration of air-cooled blast-furnace slag . 5519.1.1 General . 5519.1.2 Principle . 5519.1.3 Sampling 5519.1.4 Preparation of test portion . 5519.1.5 Procedure 5519.1.6 Expression of results 5519.2 Determination of iron disintegration of air-cooled blast-furnace slag 5619.2.1 General . 5619.2.2 Princi
42、ple . 5619.2.3 Sampling 5619.2.4 Procedure 5619.2.5 Expression of results 5619.3 Determination of the expansion of steel slag 5619.3.1 General . 5619.3.2 Principle . 5619.3.3 Sampling 5619.3.4 Preparation and compaction of the specimens . 5619.3.5 Steam test procedure . 5819.3.6 Calculation and expr
43、ession of results 58Annex A (informative) Precision . 60BS EN 1744-1:2009+A1:2012EN 1744-1:2009+A1:2012 (E) 6 A.1 Symbols . 60A.2 Determination of water-soluble chloride salts using the Volhard method (Reference method) (See Clause 7) . 60A.3 Determination of water-soluble chloride salts by potentio
44、metry (Alternative method) (See Clause 8) 60A.4 Determination of water-soluble sulfates in recycled aggregate (See 10.2) 60A.5 Determination of total sulfur content by acid digestion (Reference method) (See 11.1) 60A.6 Determination of acid soluble sulfates (See Clause 12) . 61Bibliography . 62BS EN
45、 1744-1:2009+A1:2012EN 1744-1:2009+A1:2012 (E) 7 Foreword This document (EN 1744-1:2009+A1:2012) has been prepared by Technical Committee CEN/TC 154 “Aggregates”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication o
46、f an identical text or by endorsement, at the latest by May 2012, and conflicting national standards shall be withdrawn at the latest by May 2012. 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 hel
47、d responsible for identifying any or all such patent rights. This document supersedes !EN 1744-1:2009“. This document includes Amendment 1, approved by CEN on 2012-10-15. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. This standard forms part of
48、 a series of tests for chemical properties of aggregates. Test methods for other properties of aggregates are covered by the following European Standards: EN 932 (all parts), Tests for general properties of aggregates EN 933 (all parts), Tests for geometrical properties of aggregates EN 1097 (all parts), Tests for mechanical and physical properties of aggregates EN 1367 (all parts), Tests for thermal and weathering properties of aggregates The other parts of EN 1744, T
