DIN 12480-2009 Laboratory glassware - Three-neck bottles - Woulff bottles《实验室玻璃仪器 多颈瓶》.pdf
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1、December 2009DEUTSCHE NORM Normenausschuss Laborgerte und Laboreinrichtungen (FNLa) im DIN DIN-SprachendienstEnglish price group 5No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the
2、 exclusive right of sale for German Standards (DIN-Normen).ICS 71.040.20!$F“1913529www.din.deDDIN 12480Laboratory glassware Three-neck bottles Woulff bottles,English translation of DIN 12480:2009-12Laborgerte aus Glas Dreihalsflaschen Woulffsche Flaschen,Englische bersetzung von DIN 12480:2009-12Ver
3、rerie de laboratoire Flacons trois cols Flacons de Woulff,Traduction anglaise de DIN 12480:2009-12SupersedesDIN 12480:1978-01 andDIN 12481:1978-01www.beuth.deDocument comprises pages610.12 DIN 12480:2009-12 2 A comma is used as the decimal marker. Contents Page Foreword . 3 1 Scope . 4 2 Normative r
4、eferences . 4 3 Dimensions, designation . 4 4 Material 5 5 Design 6 6 Thermal shock endurance . 6 7 Marking 6 DIN 12480:2009-12 3 Foreword This standard has been prepared by Working Group NA 055-01-03 AA Glasgerte und Apparate (Glass devices and apparatus) of the Normenausschuss Laborgerte und Labor
5、einrichtungen (Laboratory Devices and Installations Standards Committee). Amendments This standard differs from DIN 12480:1978-01 and DIN 12481:1978-01 as follows: a) three-neck bottles with and without bottom outlet have been combined in one standard; b) the dimensions have been adapted to the stat
6、e of the technology; c) borosilicate glass 3.3 is now required as the material; d) testing of thermal shock resistance is now in accordance with DIN ISO 718; e) angled design of the neck has been included in the standard; f) the designation of the three-neck bottles has been changed. Previous editio
7、ns DIN 12480: 1965-12, 1978-01 DIN 12481: 1965-12, 1978-01 DIN 12480:2009-12 4 1 Scope This standard applies to three-neck bottles also called Woulff bottles made from borosilicate glass 3.3 without and with a bottom outlet. The standard specifies the dimensions, designation, material, design and ma
8、rking of these three-neck bottles for general laboratory purposes. 2 Normative references The following referenced documents 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 docu
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