1、Designation:E140397(Reapproved 2013)Standard Specification forLaboratory Glass Boiling Flasks1This standard is issued under the fixed designation E1403;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numbe
2、r in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification provides standard dimensional re-quirements for flat-bottom and round-bottom glass boilingflasks.NOTE1For packaging standards
3、,choose among the followingstandards,E920,E921,E1133,and E1157.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.2.Referenced Documents2.1 ASTM Standards:2E438 Specification for Glasses in Laboratory ApparatusE671 Specification
4、 for Maximum Permissible Thermal Re-sidual Stress in Annealed Glass Laboratory ApparatusE676 Specification for Interchangeable Taper-Ground JointsE677 Specification for Interchangeable Spherical GroundJointsE920 Specification for Commercially Packaged LaboratoryApparatusE921 Specification for Export
5、 Packaged Laboratory Appa-ratusE1133 Practice for Performance Testing of Packaged Labo-ratory Apparatus for United States Government Procure-mentsE1157 Specification for Sampling and Testing of ReusableLaboratory Glassware3.Classification3.1 Boiling flasks shall be in the following types and sizes.3
6、.1.1 Type IFlat bottomed3.1.1.1 Class 1Tooled top;long neck in the followingsizes:50 mL,125 mL,250 mL,500 mL,1 000 mL,2 000 mL,3 000 mL,6 000 mL,and 12 000 mL.3.1.1.2 Class 2Ring neck,long neck in the followingsizes:500 mL,1 000 mL,2 000 mL,6 000 mL,and 12 000 mL.3.1.1.3 Class 3Ring neck,long neck,w
7、icker protector inthe following size:500 mL and 1000 mL.3.1.1.4 Class 4Standard Taper$neck,short neck in thefollowing sizes:50 mL,125 mL,250 mL,300 mL,500 mL,and 1000 mL.3.1.1.5 Class 5Standard Taper$neck,long neck in thefollowing sizes:250 mL,500 mL,and 1000 mL.3.1.2 Type IIRound Bottomed3.1.2.1 Cl
8、ass 1Tooled top,long neck in the followingsizes:25 mL,50 mL,100 mL,250 mL,500 mL,1000 mL,2000 mL,5000 mL,and 6000 mL.3.1.2.2 Class 2Ring neck,short neck in the followingsizes:250 mL,500 mL,1 000 mL,2 000 mL,3 000 mL,5 000mL,12 000 mL,and 22 000 mL.3.1.2.3 Class 3Standard Taper$neck,short neck in the
9、following sizes:5 mL,10 mL,25 mL,50 mL,100 mL,250mL,500 mL,1 000 mL,2 000 mL,3 000 mL,5 000 mL,and12 000 mL.3.1.2.4 Class 4Standard Taper$neck,long neck in thefollowing sizes:100 mL,250 mL,500 mL,and 1000 mL.3.1.2.5 Class 5Standard Taper$neck,short neck withside arm in the following sizes:250 mL and
10、 300 mL.3.1.2.6 Class 6Standard Taper$neck,short neck withthermometer well in the following sizes:500 mL,1000 mL,and 2000 mL.3.1.2.7 Class 7Ball and socket$neck,short neck in thefollowing sizes 250 mL,500 mL,1000 mL,and 2000 mL.3.1.3 Type IIIHeart-shape bottomed3.1.3.1 Class 1Standard Taper$neck,sho
11、rt neck in thefollowing sizes:5 mL,10 mL,25 mL,50 mL,and 100 mL.NOTE2The term millilitre(mL)is commonly used as a special namefor the cubic centimetre(cm3)and similarly the litre(L)for 1000 cubiccentimetres,in accordance with the International System of Units(SI).4.Material and Annealing4.1 Flasks s
12、hall be made of borosilicate glass conforming tothe requirement of Type I,Class A of Specification E438.4.2 Maximum residual thermal stress shall be such as toconform to Specification E671.1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatus and is the direct re
13、sponsibility of Subcommittee E41.01 onApparatus.Current edition approved Nov.1,2013.Published December 2013.Originallyapproved in 1991.Last previous edition approved in 2008 as E1403 97(2008).DOI:10.1520/E1403-97R13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Cu
14、stomer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Appearance5.1 The general appearance o
15、f the flasks shall be as illus-trated in Fig.1.6.Design6.1 Necks on all single-neck flasks shall be circular in crosssection and perpendicular to the center of the flask body.Necklengths may be designated“short”or“long”.6.2 The top shall be strengthened and finished.6.2.1 Vial finish or tooled top6.
16、2.2 Beaded rim or ring neck6.2.3 Standard taper ground glass joint in compliance withSpecification E6766.2.4 Ball and socket ground glass joint,in compliance withSpecification E6776.3 Wall thickness minimums are given for all flasks inTable 1.6.4 Flat bottoms shall be in a plane perpendicular to thevertical axis through the neck of the flask.6.4.1 The bottom of the flask shall be flat,however veryslight concavity is permitted.The flasks shall stand verticallywithout rocking or spinning when plac