ASTM E1047-85(2021)

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: E1047 −85 (Reapproved 2021)
Standard Specification for
Blood Sedimentation Tube, Wintrobe, Glass, Disposable
This standard is issued under the fixed designation E1047; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.2 Wintrobe , n—surname of the individual responsible
for the design of the reusableWintrobe tube and the method of
1.1 This specification covers disposable blood sedimenta-
use for both reusable and disposable tubes.
tion tubes suitable for determining sedimentation rates and the
volume of packed red blood cells.
4. Classification
1.2 The values stated in SI units are to be regarded as
4.1 This specification covers a tube that is intended to be
standard. No other units of measurement are included in this
usedonetimeonly.Itisnottobeconfusedwithareusabletube
standard.
that is described in other published standards.
1.3 The following precautionary statement pertains only to
the test method portion, Section 7 of this specification. This 5. Materials
standard does not purport to address all of the safety concerns,
5.1 Glass—The tubes made to this specification shall be
if any, associated with its use. It is the responsibility of the user
fabricatedborosilicateglass,TypeI,ClassB,orfromsodalime
of this standard to establish appropriate safety, health, and
glass, Type II, in accordance with Specification E438.
environmental practices and determine the applicability of
regulatory limitations prior to use.
6. Physical Requirements
1.4 This international standard was developed in accor-
6.1 Design—The tube shall be made of tubing with a
dance with internationally recognized principles on standard-
minimum wall thickness of 0.6 mm. The tube shall have a
ization established in the Decision on Principles for the
cylindrical body terminating in a round bottom on the outside
Development of International Standards, Guides and Recom-
and a flat bottom on the inside. The tube shall have a uniform
mendations issued by the World Trade Organization Technical
bore and a fire-polished top.
Barriers to Trade (TBT) Committee.
6.2 Workmanship—The tube shall be free as possible from
visible defects which detract from its serviceability. The tube
2. Referenced Documents
shall be well annealed so there will be no ring strain evident
2.1 ASTM Standards:
when tested under a polariscope.
E438Specification for Glasses in Laboratory Apparatus
6.3 Dimensions—The tube shall be made of tubing with an
outside diameter (O.D.) of 5.0 6 0.5 mm and an inside
3. Terminology
diameter (I.D.) of 2.9 to 3.5 mm. The uniformity of the bore
3.1 Definitions of Terms Specific to This Standard:
shall be 60.15 mm throughout the tube. The tube shall be 110
3.1.1 disposable, n—in accordance with this specification
to 117 mm long and have a graduated scale of 100 mm.
and the expected product performance expressed in this
Manufacturers have the option to place additional graduation
standard, those tubes which are to be used one time only.Any
lines on the tube to a maximum of 105 mm. Maximum overall
institutionorindividualwhoreusesadisposabletubemustbear
tolerance on the total graduation scale shall be 61.0 mm. The
full responsibility for its safety and effectiveness.
tube shall be legibly marked with the maker’s or vendor’s
name or mark and possess a wide color band at the top of the
tube for marking purposes.
This specification is under the jurisdiction of ASTM Committee E41 on
6.4 Graduation Scale—The tube shall be graduated 100 to
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on
105 6 1.0 mm in 1 mm divisions and numbered every
Laboratory Ware and Supplies.
Current edition approved Jan. 1, 2021. Published February 2021. Originally
centimetre with two sets of numerals. One set of graduation
ap
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