ASTM E237-94a(1998)

Standard Specification for Laboratory Glass Microvolumetric Vessels (Volumetric Flasks and Centrifuge Tubes)

SCOPE
1.1 This specification covers volumetric flasks and four types of centrifuge tubes, widely used in microchemistry.  
Note 1-Specifications for several items listed below were developed by the Committee on Microchemical Apparatus, Division of Analytical Chemistry, American Chemical Society.

General Information

• Status: Historical
• Publication Date: 31-Dec-1997
• ICS: 71.040.20 - Laboratory ware and related apparatus
• Technical Committee: E41 - Laboratory Apparatus

Relations

• Replaced By: ASTM E237-02 - Standard Specification for Laboratory Glass Microvolumetric Vessels (Volumetric Flasks and Centrifuge Tubes)
• Effective Date: 10-Oct-2002
• Referred By: ASTM E694-18 - Standard Specification for Laboratory Glass Volumetric Apparatus
• Effective Date: 01-Jan-1998
• Referred By: ASTM E288-10(2017) - Standard Specification for Laboratory Glass Volumetric Flasks
• Effective Date: 01-Jan-1998
• Referred By: ASTM E1878-97(2019) - Standard Specification for Laboratory Glass Volumetric Flasks, Special Use
• Effective Date: 01-Jan-1998

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: E 237 – 94a (Reapproved 1998)
Standard Specification for
Laboratory Glass Microvolumetric Vessels (Volumetric
Flasks and Centrifuge Tubes)
This standard is issued under the fixed designation E 237; 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 II of Fig. 1 and shall conform to the requirements of Fig. 1 and
Table 1. Each flask shall be marked with the symbol “TC” (or
1.1 This specification covers volumetric flasks and four
“IN”), the capacity, “20°C”, and a 16 mm marking area. (All
types of centrifuge tubes, widely used in microchemistry.
in an optional location on the flask.)
NOTE 1—Specifications for several items listed below were developed
by the Committee on Microchemical Apparatus, Division of Analytical
4. Centrifuge Tubes
Chemistry, American Chemical Society.
4.1 Centrifuge tubes of four types shall conform to the
requirements prescribed in Tables 2-4 and Figs. 2-5. The types
2. Referenced Documents
shown fit into the metal shields supplied with commercially
2.1 ASTM Standards:
available centrifuges. Removal of the glass stoppers from the
E 438 Specification for Glasses in Laboratory Apparatus
centrifuge tubes shown in Fig. 3 and Fig. 4 is advisable before
E 542 Practice for Calibration of Laboratory Volumetric
centrifugation. The four types of centrifuge tubes specified are
Apparatus
as follows:
E 671 Specification for Maximum Permissible Thermal
4.1.1 Conical bottom, plain (Fig. 2).
Residual Stress in Annealed Glass Laboratory Apparatus
4.1.2 Conical bottom, stoppered (Fig. 3).
E 694 Specification for Laboratory Glass Volumetric Appa-
4.1.3 Conical bottom, stoppered and graduated (Fig. 4).
ratus
4.1.4 Cylindrical bottom, plain (Fig. 5).
E 920 Specification for Commercially Packaged Laboratory
Apparatus
5. Sampling and Testing
E 921 Specification for Export Packaged Laboratory Appa-
5.1 Refer to Specification E 1157.
ratus
E 1133 Practice for Performance Testing of Packaged Labo-
6. Calibration
ratory Apparatus for United States Government Procure-
6.1 Flasks and graduated tubes shall be calibrated in accor-
ments
dance with Practice E 542 and conform to applicable require-
E 1157 Specification for Sampling and Testing of Reusable
ments of Specification E 694. Glass shall be Type I, Class A of
Laboratory Apparatus
Specification E 438 and annealing shall be in accordance with
Specification E 671.
3. Volumetric Flasks
3.1 The volumetric flasks shall be of either Style I or Style
7. Packaging
7.1 Select from Specification E 920, Specification E 921, or
Practice E 1133.
This specification is under the jurisdiction of ASTM Committee E-41 on
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.07 on
Microchemical Apparatus. 8. Keywords
Current edition approved Aug. 15, 1994. Published October 1994. Originally
8.1 glass, laboratory; microvolumetric; vessels
published as E 237 – 64. Last previous edition E 237 – 94.
Committee on Microchemical Apparatus, Division of Analytical Chemistry,
American Chemical Society, “Report on Recommended Specifications for Micro-
chemical Apparatus. Volumetric Glassware: Flasks, Pipets, and Centrifuge Tubes,”
Analytical Chemistry, Vol 28, 1956, p. 1993.
Annual Book of ASTM Standards, Vol 14.04.
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
E 237
NOTE 1—The shape of the base may be either round or hexagonal
FIG. 1 Volumetric Flasks (see Table 1)
TABLE 1 Volumetric Flask (see Fi
...