ASTM E734-80(1999)e1

Standard Specification for Disposable Glass Blood Sample Capillary Tube (Microhematocrit)

SCOPE
1.1 This specification covers disposable glass blood sample capillary tubes for use in microhematocrit procedures.

General Information

• Status: Historical
• Publication Date: 09-Dec-1999
• ICS: 11.100 - Laboratory medicine
• Technical Committee: E41 - Laboratory Apparatus
• Drafting Committee: E41.01 - Laboratory Ware and Supplies

Relations

• Replaced By: ASTM E734-80(2005) - Standard Specification for Disposable Glass Blood Sample Capillary Tube (Microhematocrit)
• Effective Date: 01-Oct-2005

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
e1
Designation: E 734 – 80 (Reapproved 1999)
Standard Specification for
Disposable Glass Blood Sample Capillary Tube
(Microhematocrit)
This standard is issued under the fixed designation E734; 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 (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Keywords were added in March 2000.;
1. Scope 6. Physical Requirements
1.1 This specification covers disposable glass blood sample 6.1 Design—The capillary tubes shall be straight and open
capillary tubes for use in microhematocrit procedures. atbothendswithoutliporconstriction.Thecapillarytubemay
belightlyfirepolishedononeend.Theboreofthetubeshallbe
2. Referenced Documents
uniform and not vary in excess of 0.025 mm in 75 mm.
2.1 ASTM Standards: 6.2 Dimensions—Type I and Type II capillary tubes shall
E438 Specification for Glasses in Laboratory Apparatus
have a length of 75 6 0.5 mm. Inside diameter shall be from
2.2 Other Standard: 1.07 to 1.24 mm. Wall thickness shall be 0.20+0.03,−0.02
USP XIX United States Pharmacopeia
mm, as specified in Fig. 1.
6.3 Workmanship—The capillary tubes shall be free of
3. Terminology
defects that noticeably detract from their appearance or impair
3.1 Definitions of Terms Specific to This Standard:
their serviceability. The capillary tube shall be free of lint, or
3.1.1 disposable capillary tubes—in accordance with this
significant foreign matter, loose or embedded, when viewed
specification and the expected product performance expressed
under normal room lighting. The tube ends shall be cut
in this standard, those capillary tubes which are to be used one
approximately 90° to the tube axis and shall not be cracked or
time only. Any institution or individual who reuses a dispos-
have jagged ends or chips that enter the bore of the tubing.
able capillary tube must bear full responsibility for its safety
6.4 Color Coding—Eachcapillarytubeshallbecolorcoded
and effectiveness.
toidentifythetubeascoatedwithheparinoruncoated.TypeI,
heparin coated, shall have a red band and Type II, uncoated,
4. Classification
shall have a blue band. The location of the red or blue band
4.1 This specification covers two different disposable glass
shall be as specified in Fig. 1.
sample capillary tubes as follows:
6.5 Capillarity—The capillary tube shall be capable of
Type I—Coated with heparin.
drawing sheep plasma or human whole blood to a level within
Type II—Uncoated.
20 mm from the far end of the tube when tested as specified in
7.1.
5. Materials
6.6 Fluidity (Type I, Heparinized, only)—Coagulation of
5.1 Glass—The pipets made to this specification shall be
the sheep plasma or human whole blood shall not be evident
fabricated from borosilicate glass, Type I, Class B, or soda-
when viewed under normal room lighting and tested as
lime glass, Type II, in accordance with Specification E438.
specified in 7.2.
5.2 Heparin—Heparin shall be of ammonium salt isolated
6.7 Lot or Control Number—A lot or control number shall
from the lungs or intestinal mucosa of beef or pork origin.The
be indicated on the capillary tube unit container and on the
heparin potency shall be 1 mg of ammonium heparin com-
intermediate package of containers.This lot or control number
pound which shall be equal to at least 60 United States
shall be traceable to the origin (raw material purchases) of the
Pharmacopeia (USP) units. Dry or wet heparin may be applied
manufacturing record.
to the tube.
6.8 Resistance to Centrifugal Force— Resistance to capil-
lary tube centrifugal force shall be such that no breakage
results when the tubes are tested as specified in 7.4.
This specification is under the jurisdiction of ASTM Committee E-41 on
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on 6.9 Heparin Coating (Type I, Heparinized, only)—The
Apparatus.
inner surface of Type I capillary tubes shall be evenly coated
Current edition approved March 3, 1980. Published May 1980.
with ammonium heparin. A minimum of 2.0 units of heparin
Annual Book of ASTM Standards, Vol 14.04.
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E 734
FIG. 1 Type I and Type II Capillary Tubes
activity shall
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