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1、BRITISH STANDARD BS EN ISO 1183-1:2004 Incorporating Corrigendum No. 1 Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion method, liquid pyknometer method and titration method The European Standard EN ISO 1183-1:2004 has the status of a British Standard ICS 83.08
2、0.01 ? BS EN ISO 1183-1:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 26 February 2004 BSI 8 April 2004 ISBN 0 580 43497 4 National foreword This British Standard is the official English language version of EN ISO 1183-1:2004. It is id
3、entical with ISO 1183-1:2004. It partially supersedes BS 2782-6:Methods 620A to 620D:1991. The UK participation in its preparation was entrusted to Technical Committee PRI/21, Plastics test methods, which has the responsibility to: A list of organizations represented on this committee can be obtaine
4、d on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of
5、the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid e
6、nquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This
7、document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since public
8、ation Amd. No. DateComments 15108 Corrigendum No. 1 8 April 2004Correction to EN ISO foreword page EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 1183-1 February 2004 ICS 83.080.01 English version Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion m
9、ethod, liquid pyknometer method and titration method (ISO 1183-1:2004) Plastiques - Mthodes de dtermination de la masse volumique des plastiques non alvolaires - Partie 1: Mthode par immersion, mthode du pycnomtre en milieu liquide et mthode par titrage (ISO 1183-1:2004) Kunststoffe - Verfahren zur
10、Bestimmung der Dichte von nicht verschumten Kunststoffen - Teil 1: Eintauchverfahren, Verfahren mit Flssigkeitspyknometer und Titrationsverfahren (ISO 1183-1:2004) This European Standard was approved by CEN on 16 January 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations
11、 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 Central Secretariat or to any CEN member. This European
12、 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 Central Secretariat has the same status as the official versions. CEN members are the national
13、 standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEA
14、N COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 1183-1:2004: E I NESO 11-3
15、8:12( 400E) 2 CORRECTED 2004-03-10 Foreword This document (EN ISO 1183-1:2004) has been prepared by Technical Committee ISO/TC 61 “Plastics“ in collaboration with Technical Committee CEN/TC 249 “Plastics“, the secretariat of which is held by IBN. This European Standard shall be given the status of a
16、 national standard, either by publication of an identical text or by endorsement, at the latest by August 2004, and conflicting national standards shall be withdrawn at the latest by August 2004. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
17、 countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Sw
18、itzerland and United Kingdom. Endorsement notice The text of ISO 1183-1:2004 has been approved by CEN as EN ISO 1183-1:2004 without any modifications. EN ISO 11831:2004 Reference number ISO 1183-1:2004(E) OSI 4002 INTERNATIONAL STANDARD ISO 1183-1 First edition 2004-02-01 Plastics Methods for determ
19、ining the density of non-cellular plastics Part 1: Immersion method, liquid pyknometer method and titration method Plastiques Mthodes de dtermination de la masse volumique des plastiques non alvolaires Partie 1: Mthode par immersion, mthode du pycnomtre en milieu liquide et mthode par titrage EN ISO
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25、 Contents Page Forewordiv 1 Scope1 2 Normative references .1 3 Terms and definitions.2 4 Conditioning2 5 Methods3 5.1 Method A Immersion method3 5.2 Method B Liquid pyknometer method5 5.3 Method C Titration method6 6 Correction for buoyancy in air.7 7 Test report8 Annex A (informative) Liquid system
26、s suitable for use in Method C9 EN ISO 11831:2004 IS-3811 O1:(4002E) iv I SO 4002 All irthgs ersedevr Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normall
27、y carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the
28、work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare In
29、ternational Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of
30、 the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 1183-1 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 5, Physical- chemical properties. Together with the other parts (se
31、e below), this part of ISO 1183 cancels and replaces ISO 1183:1987, which has been technically revised. ISO 1183 consists of the following parts, under the general title Plastics Methods for determining the density of non-cellular plastics: Part 1: Immersion method, liquid pyknometer method and titr
32、ation method Part 2: Density gradient column method Part 3: Gas pyknometer method EN ISO 11831:2004 INTENRATIONAL TSANDADR IS-3811 O1:(4002E) I SO 4002 All irthgs ersedevr 1 Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion method, liquid pyknometer method and t
33、itration method WARNING The use of this part of ISO 1183 may involve hazardous materials, operations or equipment. This part of ISO 1183 does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this part of ISO 1183 to establish
34、 appropriate health and safety practices and to determine the applicability of any regulatory limitations prior to use. 1 Scope This part of ISO 1183 specifies three methods for the determination of the density of non-cellular plastics in the form of void-free moulded or extruded objects, as well as
35、 powders, flakes and granules. Method A: Immersion method, for solid plastics (except for powders) in void-free form. Method B: Liquid pyknometer method, for particles, powders, flakes, granules or small pieces of finished parts. Method C: Titration method, for plastics in any void-free form. NOTE T
36、his part of ISO 1183 is applicable to pellets as long as they are void-free. Density is frequently used to follow variations in physical structure or composition of plastic materials. Density may also be useful in assessing the uniformity of samples or specimens. Often the density of plastic materia
37、ls will depend upon the choice of specimen preparation method. When this is the case, precise details of the specimen preparation method will have to be included in the appropriate material specification. This note is applicable to all three methods. 2 Normative references The following referenced d
38、ocuments are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 31-3, Quantities and units Part 3: Mechanics ISO 291:1997, Plastics Sta
39、ndard atmospheres for conditioning and testing ISO 472:1999, Plastics Vocabulary EN ISO 11831:2004 IS-3811 O1:(4002E) 2 I SO 4002 All irthgs ersedevr 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 472 and the following apply. 3.1 mass quantity of ma
40、tter contained in a body NOTE It is expressed in kilograms (kg) or grams (g). 3.2 apparent mass mass of a body obtained by measuring its weight using an appropriately calibrated balance NOTE It is expressed in kilograms (kg) or grams (g). 3.3 density the ratio of the mass m of a sample to its volume
41、 V (at the temperature t), expressed in kg/m3, kg/dm3 (g/cm3) or kg/l (g/ml) NOTE The following terms, based upon ISO 31-3, are given here for clarification. Table 1 Density terms Term Symbol Formulation Units Density m/V kg/m3 kg/dm3 (g/cm3) kg/l(g/ml) Specific volume V/m (= 1/) m3/kg dm3/kg (cm3/g
42、) l/kg(ml/g) 4 Conditioning The test atmosphere shall be in accordance with ISO 291. In general, conditioning specimens to constant temperature is not required, because the determination itself brings the specimen to the constant temperature of the test. Specimens which change in density during the
43、test to such an extent that the change is greater than the required accuracy shall be conditioned prior to measurement in accordance with the applicable material specification. When changes in density with time or atmospheric conditions are the primary purpose of the measurements, the specimens shal
44、l be conditioned as described in the material specification and, if no material specification exists, then as agreed upon by the interested parties. EN ISO 11831:2004 IS-3811 O1:(4002E) I SO 4002 All irthgs ersedevr 3 5 Methods 5.1 Method A Immersion method 5.1.1 Apparatus 5.1.1.1 Analytical balance
45、 or instrument specifically designed for measurement of density, accurate to 0,1 mg. NOTE An automatically operating instrument may be used. The calculation of density may be done automatically using a computer. 5.1.1.2 Immersion vessel: a beaker or other wide-mouthed container of suitable size for
46、holding the immersion liquid. 5.1.1.3 Stationary support, e.g. a pan straddle, to hold the immersion vessel above the balance pan. 5.1.1.4 Thermometer, graduated at 0,1 C intervals, covering the range 0 C to 30 C. 5.1.1.5 Wire (if required), corrosion-resistant, of diameter not greater than 0,5 mm,
47、for suspending specimens in the immersion liquid. 5.1.1.6 Sinker, of suitable mass to ensure complete immersion of the specimen, for use when the density of the specimen is less than that of the immersion liquid. 5.1.1.7 Pyknometer, with a side-arm overflow capillary, for determining the density of
48、the immersion liquid when this liquid is not water. The pyknometer shall be equipped with a thermometer graduated at 0,1 C intervals from 0 C to 30 C. 5.1.1.8 Liquid bath, capable of being thermostatically controlled to within 0,5 C, for use in determining the density of the immersion liquid. 5.1.2
49、Immersion liquid Use freshly distilled or deionized water or another suitable liquid containing not more than 0,1 % of a wetting agent to help in removing air bubbles. The liquid or solution with which the specimen comes into contact during the measurement shall have no effect on the specimen. The density of immersion liquids other than distilled water need not be measured provide