ASTM E1043-00

Standard Specification for Pipets, Milk and Cream Examination

SCOPE
1.1 This specification covers miscellaneous pipets suitable for use in milk and cream testing procedures.

General Information

• Status: Historical
• Publication Date: 09-Nov-2000
• ICS: 67.100.01 - Milk and milk products in general
• Technical Committee: E41 - Laboratory Apparatus
• Drafting Committee: E41.01 - Laboratory Ware and Supplies

Relations

• Replaces: ASTM E1043-85(1996) - Standard Specification for Pipets, Milk and Cream Examination
• Effective Date: 10-Nov-2000
• Replaced By: ASTM E1043-00(2005) - Standard Specification for Pipets, Milk and Cream Examination
• 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation: E 1043 – 00
Standard Specification for
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Pipets, Milk and Cream Examination
This standard is issued under the fixed designation E 1043; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 4.2 Maximum residual thermal stress shall conform to
Specification E 671.
1.1 This specification covers miscellaneous pipets suitable
for use in milk and cream testing procedures.
5. Style and Design
2. Referenced Documents 5.1 Type I, Breed and Brew Pipet (see Note 1)—Style and
design of capillary pipets shall be in strict conformance with
2.1 ASTM Standards:
2 Fig. 1, Type I. Pipets shall be without bulb, and shall be
E 542 Practice for Calibration of Volumetric Ware
suitable for use in the direct count method of milk examination
E 671 Specification for Maximum Permissible Thermal Re-
2 in conformance with the test procedures described in the 14th
sidual Stress in Annealed Glass Laboratory Apparatus
edition of Standard Methods for the Examination of Dairy
E 920 Specification for Commercially Packaged Laboratory
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3 Products for pipet and slide method. The pipet shall be
Apparatus
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calibrated to deliver, when blown out, 0.01 6 0.001 cm of
E 921 Specification for Export Packaged Laboratory Appa-
3 milk having a specific gravity of 1.032 at 20°C. Tips shall be
ratus
blunt, ground, or polished to discharge milk cleanly.
E 1133 Practice for PerformanceTesting of Packaged Labo-
ratory Apparatus for United States Government Procure-
NOTE 1—Type I pipets (5.1), before being used in New York, must be
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ments submitted to the Director of the State Ford Laboratory, Albany, NY, for
examination.
E 1157 Specification for Sampling and Testing of Reusable
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Laboratory Glassware
5.2 Type II, Milk Pipet—Milk pipets shall be Babcock
pipets suitable for testing the butter fat content of milk. The
3. Classification
ends shall be at right angles to the axis. The bulb shall be
3.1 Pipets covered by this specification shall be of the
symmetrical. The tip shall taper slightly over the terminal 5 to
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following types:
20 cm , but the inside diameter at the end must be able to
3.1.1 Type 1—Breed and brew pipet.
deliver within 5 to 8 s when filled with water. The end shall be
3.1.2 Type II—Milk pipet, Babcock.
fire-polished. The pipet shall be calibrated to contain 17.6 6
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3.1.2.1 Type II A—Milk pipet, Babcock variation.
0.05 cm of water at 20°C, when tested in accordance with
3.1.2.2 Type II B—Milk pipet, Babcock variation.
Practice E 542. The pipet shall be marked to indicate that it
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3.1.3 Type III—Cream pipet.
contains 17.6 cm at 20°C. The pipet shall be in strict
3.1.3.1 Type III A—Cream pipet, additional size.
conformance with Fig. 1, Type II.
3.1.4 Type IV—Milk diluting pipet.
5.2.1 Type II A, Milk Pipet—Same as Type II (5.2) except
3.1.4.1 Type IV A—Milk diluting pipet, additional sizes.
marked “Sealed” for use in states requiring this special
3.1.5 Type V—Milk diluting pipet.
marking. (Alabama, Georgia, Mississippi, New Mexico, North
3.1.6 Type VI—Milk pipet, Gerber.
Dakota, Oregon, Tennessee, Washington, and Wisconsin.)
5.2.2 Type II B, Milk Pipet—Similar to Type II, however,
4. Material and Annealing
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thepipetshallbecalibratedtodeliver17.6 60.05cm ofwater
4.1 Pipets shall be made of high quality apparatus glass,
at 20°C, when tested in accordance with Practice E 542. The
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suitable in all respects for the purpose intended.
pipet shall be marked to indicate that it delivers 17.6 cm at
20°C.ThepipetshallbeinstrictconformancewithFig.1,Type
II. (For use in the state of Nebraska.)
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This specification is under the jurisdiction of ASTM Committee E41 on
5.3 Type III, Cream Pipet—Cream pipets shall be in strict
Laboratory Apparatus and is the direct responsibility of Subcommittee E 41.01 on
Glass Apparatus. conformance with Fig. 1, Type III. They shall be calibrated to
Current edition approved Nov. 10, 2000. Published January 2001. Originally
published as E 1043 – 85. Last previous edition E 1043 – 85(1996).
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Annual Book of ASTM Standards, Vol 14.02. American Public Health Assoc., Standard Methods for the Examination of
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Annual Book of ASTM Standards, Vol 14.04. Dairy Products, 14th edition.
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E 1043
FIG. 1 Pipets, Milk and Cream Examination
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deliver 9 6 0.10 cm at 20°C, using distilled water, with drop blowing out. The pipet shall not have the frosted band near the
rema
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