ASTM E961-97
(Specification)Standard Specification for Blood Sedimentation Tube, Wintrobe, Glass, Reusable
Standard Specification for Blood Sedimentation Tube, Wintrobe, Glass, Reusable
SCOPE
1.1 This specification covers reusable blood sedimentation tubes suitable for determining sedimentation rates and the volume of packed red blood cells. Note-For packaging standards, choose among the following standards: Specification E920, Specification E921; Practice E1133, and Specification E1157.
1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: E 961 – 97
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Blood Sedimentation Tube, Wintrobe, Glass, Reusable
This standard is issued under the fixed designation E 961; 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 fabricated from borosilicate glass, Type I, Class B, or soda-
lime glass, Type II, in accordance with Specification E 438.
1.1 This specification covers reusable blood sedimentation
tubes suitable for determining sedimentation rates and the
6. Dimensions and Graduations
volume of packed red blood cells.
6.1 Dimensions—The tube shall be made of tubing with an
1.2 This standard does not purport to address all of the
outside diameter (O.D.) of 7.0 to 8.0 mm with an inside
safety concerns, if any, associated with its use. It is the
diameter (I.D.) of 2.9 to 3.3 mm. The uniformity of the bore
responsibility of the user of this standard to establish appro-
shall be 60.1 mm throughout the tube. The tube shall be 110
priate safety and health practices and determine the applica-
to 117 mm long and have a graduated scale of 105 6 0.25 mm
bility of regulatory limitations prior to use.
from the inside bottom of the tube. The tube shall be legibly
2. Referenced Documents marked with the manufacturer’s or vendor’s name or mark and
possess a frosted area for marking purposes.
2.1 ASTM Standards:
6.2 Graduation Scale—The tube shall be graduated 105 6
E 438 Specification for Glasses in Laboratory Apparatus
0.25 mm in 1-mm divisions and numbered every 1 cm with two
E 671 Specification for Maximum Permissible Thermal Re-
sets of numerals. One set of graduation numerals shall be from
sidual Stress in Annealed Glass Laboratory Apparatus
0 to 9 cm down the left side of the graduation scale and the
E 920 Specification for Commercially Packaged Laboratory
other set of graduation numerals shall be from 1 to 10 cm up
Apparatus
the right side of the graduation scale as shown in Fig. 1.
E 921 Specification for Export Packaged Laboratory Appa-
6.3 Graduation Lines—The graduation lines shall be of
ratus
uniform width with a maximum width of 0.25 mm for
E 1133 Practice for Performance Testing of Packaged Labo-
acid-etched and filled-in lines and 0.4 mm for amber-stain,
ratory Apparatus for United States Government Procure-
fired-in lines. They shall be at right angles to the vertical axis
ments
of the tube with a maximum of 0.2 mm tolerance between two
E 1157 Specification for Sampling and Testing of Reusable
adjacent lines. Every tenth (numbered) line shall be a minimum
Laboratory Glassware
of 6 mm long. The medium (every fifth) line shall be a
3. Terminology minimum of 4 mm long. The short (intermediate) lines shall be
a minimum of 2.5 mm long.
3.1 Definitions of Terms Specific to This Standard:
3.1.1 reusable—Capable of being used again.
7. Workmanship, Finish, and Appearance
3.1.2 Wintrobe—The surname of the individual responsible
3 7.1 Design—The tube shall be made of thick-walled glass
for the design of the Wintrobe tube and the method of use.
tubing. The tube shall have a cylindrical body terminating in a
4. Classification round bottom on the outside and a flat bottom on the inside.
The tube shall have a uniform bore and a beaded flared top.
4.1 This specification covers a tube that is intended to be
7.2 Workmanship—The tube shall be free of physical de-
used until it is no longer considered a functional device for the
fects which will impair its use. The tube shall be well annealed
purpose intended.
with no ring strain when tested as specified in 8.1
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