ASTM E1043-00(2005)

Standard Specification for Pipets, Milk and Cream Examination

ABSTRACT
This specification covers miscellaneous pipets suitable for use in milk and cream testing procedures. Pipets shall be made of high quality apparatus glass. Pipets shall be of the following types: Type 1—breed and brew pipet; Type II—milk pipet, Babcock; Type II A—milk pipet, Babcock variation; Type II B—milk pipet, Babcock variation; Type III—cream pipet; Type III A—cream pipet, additional size; Type IV—milk diluting pipet; Type IV A—milk diluting pipet, additional sizes; Type V—milk diluting pipet; Type VI—milk pipet, Gerber. Materials shall be tested and the individual grades shall conform to specified values of style and design, markings, and maximum residual thermal stress.
SCOPE
1.1 This specification covers miscellaneous pipets suitable for use in milk and cream testing procedures.

General Information

• Status: Historical
• Publication Date: 30-Sep-2005
• Technical Committee: E41 - Laboratory Apparatus
• Drafting Committee: E41.01 - Laboratory Ware and Supplies

Relations

• Replaces: ASTM E1043-00 - Standard Specification for Pipets, Milk and Cream Examination
• Effective Date: 01-Oct-2005
• Replaced By: ASTM E1043-00(2010) - Standard Specification for Pipets, Milk and Cream Examination
• Effective Date: 01-Jul-2010

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: E1043 – 00 (Reapproved 2005)
Standard Specification for
Pipets, Milk and Cream Examination
This standard is issued under the fixed designation E1043; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 4. Material and Annealing
4.1 Pipets shall be made of high quality apparatus glass,
1.1 This specification covers miscellaneous pipets suitable
for use in milk and cream testing procedures. suitable in all respects for the purpose intended.
4.2 Maximum residual thermal stress shall conform to
2. Referenced Documents
Specification E671.
2.1 ASTM Standards:
5. Style and Design
E542 Practice for Calibration of Laboratory Volumetric
Apparatus 5.1 Type I, Breed and Brew Pipet (see Note 1)—Style and
E671 Specification for Maximum Permissible Thermal Re- design of capillary pipets shall be in strict conformance with
sidual Stress in Annealed Glass Laboratory Apparatus Fig. 1, Type I. Pipets shall be without bulb, and shall be
E920 Specification for Commercially Packaged Laboratory suitable for use in the direct count method of milk examination
Apparatus in conformance with the test procedures described in the 14th
E921 Specification for Export Packaged Laboratory Appa- edition of Standard Methods for the Examination of Dairy
ratus Products for pipet and slide method. The pipet shall be
E1133 Practice for Performance Testing of Packaged Labo- calibrated to deliver, when blown out, 0.01 6 0.001 cm of
ratory Apparatus for United States Government Procure- milk having a specific gravity of 1.032 at 20°C. Tips shall be
ments blunt, ground, or polished to discharge milk cleanly.
E1157 Specification for Sampling and Testing of Reusable
NOTE 1—Type I pipets (5.1), before being used in New York, must be
Laboratory Glassware
submitted to the Director of the State Ford Laboratory, Albany, NY, for
examination.
3. Classification
5.2 Type II, Milk Pipet—Milk pipets shall be Babcock
3.1 Pipets covered by this specification shall be of the
pipets suitable for testing the butter fat content of milk. The
following types:
ends shall be at right angles to the axis. The bulb shall be
3.1.1 Type 1—Breed and brew pipet.
symmetrical. The tip shall taper slightly over the terminal 5 to
3.1.2 Type II—Milk pipet, Babcock.
20 cm , but the inside diameter at the end must be able to
3.1.2.1 Type II A—Milk pipet, Babcock variation.
deliver within 5 to 8 s when filled with water. The end shall be
3.1.2.2 Type II B—Milk pipet, Babcock variation.
fire-polished. The pipet shall be calibrated to contain 17.6 6
3.1.3 Type III—Cream pipet.
0.05 cm of water at 20°C, when tested in accordance with
3.1.3.1 Type III A—Cream pipet, additional size.
Practice E542. The pipet shall be marked to indicate that it
3.1.4 Type IV—Milk diluting pipet.
contains 17.6 cm at 20°C. The pipet shall be in strict
3.1.4.1 Type IV A—Milk diluting pipet, additional sizes.
conformance with Fig. 1, Type II.
3.1.5 Type V—Milk diluting pipet.
5.2.1 Type II A, Milk Pipet—Same as Type II (5.2) except
3.1.6 Type VI—Milk pipet, Gerber.
marked “Sealed” for use in states requiring this special
marking. (Alabama, Georgia, Mississippi, New Mexico, North
Dakota, Oregon, Tennessee, Washington, and Wisconsin.)
This specification is under the jurisdiction of ASTM Committee E41 on
5.2.2 Type II B, Milk Pipet—Similar to Type II, however,
Laboratory Apparatus and is the direct responsibility of Subcommittee E41.01 on 3
thepipetshallbecalibratedtodeliver17.6 60.05cm ofwater
Apparatus.
at 20°C, when tested in accordance with Practice E542. The
Current edition approved Oct. 1, 2005. Published December 2005. Originally
approved in 1985. Last previous edition approved in 2000 as E1043 – 00. DOI: pipet shall be marked to indicate that it delivers 17.6 cm at
10.1520/E1043-00R05.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on American Public Health Assoc., Standard Methods for the Examination of
the ASTM website. Dairy Products, 14th edition.
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E1043 – 00 (2005)
FIG. 1 Pipets, Milk and Cream Examination
20°C.ThepipetshallbeinstrictconformancewithFig.1,Type and 1.1 cm graduations, respectively. Tolerance shall be
II. (For use in the state of Nebraska.) 60.025 cm at any point on the pipet. When used with whole
5.3 Type III, Cream Pipet—Cream pipets shall be in strict milk, the small amount remaining in the tip, after free de
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