EN ISO 4797-2015 en Laboratory glassware - Boiling flasks with conical ground joints《实验室玻璃器皿 锥形磨口接头烧瓶 (ISO 4797 2015)》.pdf
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1、BSI Standards PublicationBS EN ISO 4797:2015Laboratory glassware Boiling flasks with conicalground jointsBS EN ISO 4797:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 4797:2015.It supersedes BS EN ISO 4797:2004 which is withdrawn.The UK participation i
2、n its preparation was entrusted to TechnicalCommittee LBI/1/2, Laboratory Equipment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its c
3、orrectapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 83098 3ICS 71.040.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strat
4、egy Committee on 31 January 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 4797 December 2015 ICS 71.040.20 Supersedes EN ISO 4797:2004English Version Laboratory glassware - Boiling flasks with conical ground jo
5、ints (ISO 4797:2015) Verrerie de laboratoire - Fioles coniques et ballons joint conique rod (ISO 4797:2015) Laborgerte aus Glas - Erlenmeyer-, Rund- und Stehkolben mit Kegelschliff (ISO 4797:2015) This European Standard was approved by CEN on 13 December 2015. CEN members are bound to comply with th
6、e CEN/CENELEC Internal 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 Managemen
7、t 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 under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status
8、as the official versions. 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, N
9、etherlands, Norway, Poland, 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 2015 CEN All
10、rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 4797:2015 EBS EN ISO 4797:2015EN ISO 4797:2015 (E) 3 European foreword This document (EN ISO 4797:2015) has been prepared by Technical Committee ISO/TC 48 “Laboratory equipment“ in collab
11、oration with Technical Committee CEN/TC 332 “Laboratory equipment” the secretariat of which is held by DIN. 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 June 2016, and conflicting national stan
12、dards shall be withdrawn at the latest by June 2016. 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 identifying any or all such patent rights. This document supersedes EN ISO 4
13、797:2004. 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 Yugoslav Republic of Macedonia, F
14、rance, 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. Endorsement notice The text of ISO 4797:2015 has been approved by CEN as EN I
15、SO 4797:2015 without any modification. BS EN ISO 4797:2015ISO 4797:2015(E)Foreword iv1 Scope . 12 Normative references 13 Types . 14 Series of capacities . 15 Material 16 Dimensions . 17 Ground glass joints . 28 Thermal shock endurance 29 Marking 2 ISO 2015 All rights reserved iiiContents PageBS EN
16、ISO 4797:2015ISO 4797:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body intereste
17、d 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 work. ISO collaborates closely with the International Electrotechnical Com
18、mission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents
19、should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for
20、 identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the co
21、nvenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Forewo
22、rd - Supplementary information.The committee responsible for this document is ISO/TC 48, Laboratory equipment in collaboration with CEN/TC 332, Laboratory equipment.This third edition cancels and replaces the second edition (ISO 4797:2004), which has been technically revised to include the following
23、 changes: round-bottom flasks with nominal volumes of 3 l, 5 l, and 20 l have been added; overall heights of some round-bottom flasks of Series 1 (Table 3) have been modified; requirements for thermal shock endurance have been added.iv ISO 2015 All rights reservedBS EN ISO 4797:2015INTERNATIONAL STA
24、NDARD ISO 4797:2015(E)Laboratory glassware Boiling flasks with conical ground joints1 ScopeThis International Standard specifies requirements for an internationally acceptable series of boiling flasks with conical ground joints for general laboratory purposes.2 Normative referencesThe following docu
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