1、Designation: E 1404 94 (Reapproved 2008)Standard Specification forLaboratory Glass Conical Flasks1This standard is issued under the fixed designation E 1404; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision
2、. A number 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 glass conical flasks suitable for general labora-tory use.NOTE 1
3、For packaging standards, choose the following standards;E 920, E 921, and E 1133.2. Referenced Documents2.1 ASTM Standards:2E 438 Specification for Glasses in Laboratory ApparatusE 671 Specification for Maximum Permissible Thermal Re-sidual Stress in Annealed Glass Laboratory ApparatusE 675 Specific
4、ation for Interchangeable Taper-GroundStopcocks And StoppersE 676 Specification for Interchangeable Taper-GroundJointsE 920 Specification for Commercially Packaged LaboratoryApparatusE 921 Specification for Export Packaged Laboratory Appa-ratusE 1133 Practice for Performance Testing of Packaged Labo
5、-ratory Apparatus for United States Government Procure-mentsE 1157 Specification for Sampling and Testing of ReusableLaboratory Glassware3. Classification3.1 Conical flasks (Erlenmeyer) shall be in in the followingtypes and capacities.3.1.1 Type Igeneral purpose, with graduated scale.3.1.1.1 Class 1
6、Narrow mouth with heavy duty beadedtop, in capacities of 25 mL, 50 mL, 125 mL, 250 mL, 300 mL,500 mL, 1000 mL, 1500 mL, 2000 mL, 4000 mL, and 6000mL.3.1.1.2 Class 2Wide mouth with heavy duty beaded top,in capacities of 125 mL, 250 mL, 500 mL, 1000 mL, and 2000mL.3.1.2 Type IITapered ground joint, wi
7、th graduated scale.3.1.2.1 Class 1Outer Conical, joint without stopper, incapacities of 50 mL, 125 mL, 250 mL, 500 mL, 1000 mL, and2000 mL.3.1.2.2 Class 2with stopper, in capacities of 25 mL, 50mL, 125 mL, 250 mL, 500 mL, and 1000 mL.3.1.2.3 Class 3For iodine determination, in capacities of125 mL, 2
8、50 mL, and 500 mL.3.1.3 Type IIIScrew thread finish, with graduated scale, incapacities of 50 mL, 125 mL, 250 mL, 500 mL, 1000 mL, and2000 mL.3.1.4 Type IVCulture;3.1.4.1 Class 1Long neck, plain top, in capacities of 50mL, 125 mL, 250 mL, 500 mL, 1000 mL, and 2000 mL.3.1.4.2 Class 2Wide base (Fernba
9、ch), in capacity of 2800mL.3.1.4.3 Class 3Wide base, low form, in a capacity of 2500mL.NOTE 2The term milliliter (mL) is commonly used as a special namefor the cubic centimeter (cm3) and similarly the liter (L) for 1000 cubiccentimeters, in accordance with the International System of Units (SI).4. M
10、aterial and Manufacturing4.1 Flasks shall be made of borosilicate glass conforming tothe requirements of Type I, Class A of Specification E 438.4.2 Maximum residual thermal stress shall be such as toconform to Specification E 671.5. Appearance5.1 The general appearance of the flasks shall be as illu
11、s-trated in Fig. 1.6. Design6.1 Conical flasks shall have flat bottoms. However, con-cavity in the bottom shall be permitted. The flask shall standvertically without rocking or spinning when placed on a levelsurface. Bottom heel radius shall be between 15 and 20 % ofthe maximum external diameter.6.2
12、 Conical sides of the flask shall extend inwardly for thebottom and shall terminate in a short cylindrical neck.1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatus and is the direct responsibility of Subcommittee E41.01 onApparatus.Current edition approved Nov.
13、 1, 2008. Published January 2009. Originallyapproved in 1991. Last previous edition approved in 2003 as E 140494(2003).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer
14、to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6.2.1 Type I and Type IV flasks shall have flask mouthfinished with a tooled, heavy duty bead.6.2.2 Type II, Class 1 shall have
15、 taper-ground joint neckfinish in accordance with Specification E 676.6.2.3 Type II, Class 2 and Class 3 shall have taper-groundstopper neck finish to comply with E 675. The Class 3 flasksshall also have a funnel neck flare. Stopper shall be tall enoughto facilitate removal from flask.6.2.4 Type III
16、 flasks shall have screw thread neck finish inaccordance with Glass Packaging Institute (G.P.I.) standardfinishes except as noted below. Dimensions shall be the sameas Type I (Table 1).6.2.4.1 G.P.I. thread finishes shall be 24 to 410 for the 50and 125 mL sizes, 28 to 410 for the 250 mL size and 38
17、to 430for the 500, 1000 and 2000 mL sizes except that the 38 to 430may be modified to have the thread begin near the rim ratherthan approximately 0.55 in. below it.6.3 Necks on all flasks shall be circular in cross-section. Topshall be tooled or beaded.7. Capacity and Dimensions7.1 Conical flasks sh
18、all conform to the requirements ofTable 1, Table 2, and Table 3.8. Sampling and Testing8.1 For sampling and testing refer to Specification E 1157.9. Product Markings9.1 Each flask shall be permanently marked with the nameor known trademark of the manufacturer and the nominalFIG. 1 General Appearance
19、 of FlasksTABLE 1 Capacity and Dimensions For Type I and Type III Conical Flasks W/O Caps or StoppersCapacity, mLBody ODwidest point(maximum), mmOverall height(maximum), mmNeck-rubber stopper fitWallthickness(minimum) mmMinimum graduatedrange mLMaximum graduatedsubdivisionmLClass 1 Class 225 42 67 0
20、 . 0.9 10 to 25 550 52 83 1 . 0.9 20 to 50 10125 69 117 5 6 0.9 50 to 125 25250 84 138 6 8 0.9 50 to 200 25300 90 146 6 . 0.9 100 to 300 25500 105 186 7 10 1.0 100 to 500 501000 131 222 9 11 1.0 250 to 1000 501500 151 247 9 . 1.1 400 to 1400 1002000 166 282 10 13 1.1 600 to 2000 2004000 210 360 10 .
21、 1.8 1000 to 4000 5006000 237 409 10 . 1.9 1500 to 6000 500E 1404 94 (2008)2capacity. Flasks may also be marked with approximate gradu-ation markings that have a limit of error of 65 % of fullcapacity. The graduation range and subdivision shall complywith the tables.9.2 There shall be an area on one
22、 side of the flask formarking with a pencil.10. Packaging10.1 For packaging, select from Specifications E 920 orE 921, or Practice E 1133.11. Keywords11.1 conical; flasks; glassASTM International takes no position respecting the validity of any patent rights asserted in connection with any item ment
23、ionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee
24、and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting
25、 of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO B
26、ox C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABL
27、E 2 Capacity and Dimensions For Type II Conical Flasks Without StoppersACapacity, mLBody ODWidest Point(Max.) mmOverall Height (Max.) mm Neck FinishClass 1 Class 2 Class 3JointClass 1StopperClass 2SpecialClass 325 41 . 67 . . 16 .50 51 108 80 . 19/38 19 .125 69 136 121 127 24/40 22 22250 84 164 143
28、165 24/40 27 22500 105 203 182 202 24/40 32 221000 132 238 210 . 24/40 32 .2000 166 292 . . 24/40 . .ASee Table 1 for wall thickness, minimum graduated range, and maximum graduated subdivision.TABLE 3 Capacity and Dimension For Type IV Conical FlasksWithout StoppersACapacity,mLBody ODwidestpoint(max
29、imum)mmOverallheight(maximum)mmNominalneck ODmm Class1Neck-rubberstopper fitClasses 2and 3Wallthickness(minimum)mm50 51 107 18 . 0.8125 67 128 25 . 0.9250 84 143 38 . 0.9500 105 187 38 . 1.01000 131 234 38 . 1.02000 166 292 38 . 1.12500 260 205 . 6.5 1.52800 209 235 . 13 1.5ASee Table 1 for graduation range and subdivision if applicable.E 1404 94 (2008)3
