ASTM E288-03

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Designation: E 288 – 03
Standard Specification for
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Laboratory Glass Volumetric Flasks
This standard is issued under the fixed designation E 288; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope E 920 Specification for Commercially Packaged Laboratory
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Apparatus
1.1 This specification covers requirements for glass volu-
E 921 Specification for Export Packaged Laboratory Appa-
metric flasks of precision and general-purpose grades suitable
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ratus
for laboratory purposes.
E 1133 Practice for PerformanceTesting of Packaged Labo-
1.1.1 Class A—Each flask of precision grade shall be
ratory Apparatus for United States Government Procure-
marked with the letter “A” to signify compliance with appli-
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ments
cable construction and accuracy requirements. Flasks may be
E 1157 Specification for the Sampling and Testing of Reus-
marked with an identification number (serial number) at the
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able Laboratory Glassware
option of the manufacturer.
1.1.2 Class B—General purpose flasks are of the same basic
3. General Requirements
design as Class A flasks. However, volumetric tolerances for
3.1 Calibration—Flasks shall be calibrated in accordance
Class B flasks shall be within twice the specified range allowed
with the methods outlined in Practice E 542.
for Class A flasks. These flasks need not be marked with their
class designation.
4. Design
NOTE 1—Specifications for microvolumetric flasks in sizes from 1 mL
4.1 Flasks shall be designed in accordance with Specifica-
to 25 mL, inclusive, are given in Specification E 237.
tion E 694. Flask necks may be designed with either taper-
NOTE 2—The Twelfth General (International) Conference on Weights
ground joints to accept stopper sizes specified in Table 1 or
and Measures redefined the litre as a “special name for the cubic
they may have reinforced rims or screw threads for acceptance
decimetre,” but agreed to permit continuance of the terms litre, millilitre,
of cap style closures. The neck may be either straightsided or
and mL, except in association with measurements of the highest precision.
For volumetric glassware the difference between the old and new provided with a mixing bulb located above the graduation line
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meanings of litre is negligible. Therefore, either mL or cm may be
(intermediate bulb style). Any cross section of the neck taken
marked on ware covered by this Specification.
in a plane parallel to the base shall be circular; similar sections
1.1.3 Product with a stated capacity not listed in this of the body shall be either circular or square. The shape shall
permit complete emptying and thorough cleaning. The bottom
standard may be specified class A tolerance when product
conformstothetolerancereangeofthenextsmallervolumetric or base shall be such that the volumetric flask will stand solidly
on a level surface. The area of the bottom or base shall be of
standard product listed in Table 1.
sufficient size so that the volumetric flask (except the 10-mL
2. Referenced Documents
flask), when empty and without stopper, shall stand on an
2.1 ASTM Standards: inclined plane of 15° to the horizontal. The 10-mL flask shall
E 237 Specification for Microvolumetric Vessels (Volumet- stand on an inclined plane of 10° to the horizontal.
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ric Flasks and Centrifuge Tubes) 4.2 Intermediate Bulb Style Flasks—The bulb in the neck of
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E 438 Specification for Glasses in Laboratory Apparatus anIntermediateBulb-styleflaskshallholdapproximately10 %
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E 542 Practice for Calibration of Volumetric Ware of the nominal capacity for sizes up to 1000 mL, inclusive, and
E 675 Specification for Interchangeable Taper-Ground 5 % of the nominal capacity for the 2000-mL size.
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Stopcocks and Stoppers 4.3 Stoppers—Where stoppers are provided they may be
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E 694 Specification for Volumetric Ware either glass or plastic, as desired by the user. Stoppers shall
prevent leakage of liquid when flask is inverted or shaken.
4.4 Dimensions—Flasks shall conform to the essential di-
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This specification is under the jurisdiction of ASTM Committee E41 on
mensions given in Table 1.
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
4.5 Markings—All markings shall be permanent and leg-
Glass Apparatus.
ible.
Current edition approved Jan. 10, 2003. Published February 2003. Originally
approved in 1965. Last previous edition approved in 1998 as E 288 – 94 (1998).
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Annual Book of ASTM Standards, Vol 14.04.
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E288–03
4.5.1 Capacit
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