ASTM E1404-94(2019)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:E1404 −94 (Reapproved 2019)
Standard Specification for
Laboratory Glass Conical Flasks
This standard is issued under the fixed designation E1404; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Classification
1.1 This specification provides standard dimensional re- 3.1 Conical flasks (Erlenmeyer) shall be in in the following
quirements for glass conical flasks suitable for general labora- types and capacities.
tory use.
3.1.1 Type I—general purpose, with graduated scale.
3.1.1.1 Class 1—Narrow mouth with heavy duty beaded
NOTE 1—For packaging standards, choose the following standards;
top, in capacities of 25 mL, 50 mL, 125 mL, 250 mL, 300 mL,
E920, E921, and E1133.
500 mL, 1000 mL, 1500 mL, 2000 mL, 4000 mL, and 6000
1.2 The values stated in SI units are to be regarded as
mL.
standard. No other units of measurement are included in this
3.1.1.2 Class 2—Wide mouth with heavy duty beaded top,
standard.
in capacities of 125 mL, 250 mL, 500 mL, 1000 mL, and
1.3 This international standard was developed in accor-
2000 mL.
dance with internationally recognized principles on standard-
3.1.2 Type II—Tapered ground joint, with graduated scale.
ization established in the Decision on Principles for the
3.1.2.1 Class 1—Outer Conical, joint without stopper, in
Development of International Standards, Guides and Recom-
capacities of 50 mL, 125 mL, 250 mL, 500 mL, 1000 mL, and
mendations issued by the World Trade Organization Technical
2000 mL.
Barriers to Trade (TBT) Committee.
3.1.2.2 Class 2—with stopper, in capacities of 25 mL,
50 mL, 125 mL, 250 mL, 500 mL, and 1000 mL.
2. Referenced Documents
3.1.2.3 Class 3—For iodine determination, in capacities of
2.1 ASTM Standards:
125 mL, 250 mL, and 500 mL.
E438 Specification for Glasses in Laboratory Apparatus
3.1.3 Type III—Screw thread finish, with graduated scale, in
E671 Specification for Maximum Permissible Thermal Re-
capacities of 50 mL, 125 mL, 250 mL, 500 mL, 1000 mL, and
sidual Stress in Annealed Glass Laboratory Apparatus
2000 mL.
E675 Specification for Interchangeable Taper-Ground Stop-
3.1.4 Type IV—Culture;
cocks And Stoppers
3.1.4.1 Class 1—Long neck, plain top, in capacities of
E676 Specification for Interchangeable Taper-Ground Joints
50 mL, 125 mL, 250 mL, 500 mL, 1000 mL, and 2000 mL.
E920 Specification for Commercially Packaged Laboratory
3.1.4.2 Class 2—Wide base (Fernbach), in capacity of
Apparatus
2800 mL.
E921 Specification for Export Packaged Laboratory Appa-
3.1.4.3 Class 3—Wide base, low form, in a capacity of
ratus
2500 mL.
E1133 Practice for Performance Testing of Packaged Labo-
ratory Apparatus for United States Government Procure-
NOTE 2—The term milliliter (mL) is commonly used as a special name
for the cubic centimeter (cm ) and similarly the liter (L) for 1000 cubic
ments
centimeters, in accordance with the International System of Units (SI).
E1157 Specification for Sampling and Testing of Reusable
Laboratory Glassware
4. Material and Manufacturing
4.1 Flasks shall be made of borosilicate glass conforming to
This specification is under the jurisdiction of ASTM Committee E41 on
the requirements of Type I, Class A of Specification E438.
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
Laboratory Ware and Supplies.
4.2 Maximum residual thermal stress shall be such as to
Current edition approved July 1, 2019. Published August 2019. Originally
conform to Specification E671.
approved in 1991. Last previous edition approved in 2013 as E1404– 94(2013).
DOI: 10.1520/E1404-94R19.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 5. Appearance
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.1 The general appearance of the flasks shall be as illus-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. trated in Fig. 1.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E1404−94 (2019)
FIG. 1 General Appearance of Flasks
6. Design 6.2.4 Type III flasks shall have screw thread neck finish in
accordance with Glass Packaging Institute (G.P.I.) standard
6.1 Conical flasks shall have flat bottoms. However, con-
finishes except as noted below. Dimensions shall be the same
cavity in the bottom shall be permitted. The flask shall stand
as Type I (Table 1).
vertically without rocking or spinning when placed on a leve
...