ASTM E1272-02(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:E1272 −02 (Reapproved 2019)
Standard Specification for
Laboratory Glass Graduated Cylinders
This standard is issued under the fixed designation E1272; 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 E921 Specification for Export Packaged Laboratory Appa-
ratus
1.1 This specification covers requirements for glass gradu-
E1133 Practice for Performance Testing of Packaged Labo-
atedcylindersforprecisionandgeneralpurposegradessuitable
ratory Apparatus for United States Government Procure-
for laboratory purposes.
ments
1.1.1 Class A—Each cylinder of precision grade shall be
E1157 Specification for Sampling and Testing of Reusable
marked with the letter “A” to signify compliance with appli-
Laboratory Glassware
cable construction and accuracy requirements. Cylinders may
be marked with an identification number (serial number) at the
3. Classification
option of the manufacturer.
1.1.2 Class B—General purpose cylinders are of the same
3.1 Cylinders shall be in the following styles:
basic design as Class A cylinders. However, volumetric toler-
3.1.1 Style I—Beaded lip with pour spout,
ances for Class B cylinders shall be within twice the specified
3.1.2 Style II—Ground standard taper () neck, or
range allowed for Class A cylinders. These cylinders need not
3.1.3 Style III—Beaded lip with pour spout and reinforcing
be marked with their class designation.
bead near top.
1.1.3 Product with a stated capacity not listed in this
standard may be specified in Class A tolerance when product
4. Requirements
conforms to the tolerance range of the next smaller volumetric
4.1 Style I cylinders shall be calibrated either “to deliver” or
standard product listed in Table 1.
“to contain.” Style II and Style III cylinders shall be calibrated
1.2 This international standard was developed in accor-
“to contain.” The cylinders shall be calibrated at 20 °C and the
dance with internationally recognized principles on standard-
volumetric tolerances shall be in accordance with Table 1. (See
ization established in the Decision on Principles for the
Practice E542 for calibration definitions and procedures.)
Development of International Standards, Guides and Recom-
4.1.1 Cylinders shall be of borosilicate glass conforming to
mendations issued by the World Trade Organization Technical
the requirements for Type I, Class A of Specification E438.
Barriers to Trade (TBT) Committee.
4.2 Shape—Cylinders shall be of one piece consisting in
2. Referenced Documents
general of a top, a graduated portion of uniform diameter, and
2.1 ASTM Standards: a base. The shape shall permit complete emptying and thor-
E438 Specification for Glasses in Laboratory Apparatus
oughcleaning.Thepour-outofStyleI,insizesof1000mLand
E542 Practice for Calibration of Laboratory Volumetric below, shall be located in a vertical plane bisecting within 65°
Apparatus
one of the corners on the hexagonal base. For sizes 2000 mL
E675 Specification for Interchangeable Taper-Ground Stop- and above, the pour-out shall bisect within 65° the center of
cocks And Stoppers
one of the flat section or one of the corners of the base. The
E920 Specification for Commercially Packaged Laboratory pour-out of Style III shall not protrude beyond the glass
Apparatus
reinforcing bead with construction such that, upon falling, the
bead shall strike a flat surface before the pour-out or lip.
4.2.1 Base—The base shall be hexagonal and the construc-
This specification is under the jurisdiction of ASTM Committee E41 on
tion shall be such that the empty cylinder (without stopper for
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
Laboratory Ware and Supplies.
Style II), in capacities above 10 mL, shall stand on a surface
Current edition approved Jan. 1, 2019. Published February 2019. Originally
inclined 15° with the horizontal and, in capacities of 10 mL or
approved in 1989. Last previous edition approved in 2012 as E1272 – 02(2012).
less, shall stand on a surface inclined 10° with the horizontal.
DOI: 10.1520/E1272-02R19.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.3 Dimensions—The dimensions shall be as shown in
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Table 1. The glass stoppers of Style II shall conform to
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Specification E675.
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E1272−02 (2019)
TABLE 1 Dimensions and Tolerances
Maximum
Distance From Scale to Tolerances to Contain or to
Minimum Standard Tap
...