ASTM E1189-00(2005)
(Specification)Standard Specification for Micro-Burets (Koch Style)
Standard Specification for Micro-Burets (Koch Style)
ABSTRACT
This specification covers two styles of "Koch" type glass microburets for general laboratory use. Burets shall be made from Type I, Class A or B glass. Both burets shall have permanently attached stopcocks with either glass plugs, or PTFE plugs. Materials shall be tested and the individual grades shall conform to design requirements with the specified values of capacity, scale length, diameter, outflow time, and tolerance.
SCOPE
1.1 This specification covers two styles of glass micro-burets of the "Koch" type for general laboratory use.
General Information
Relations
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: E1189 – 00 (Reapproved 2005)
Standard Specification for
Micro-Burets (Koch Style)
This standard is issued under the fixed designation E1189; 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.
1. Scope 3.2 Stopcocks—Both burets shall have permanently at-
tached stopcocks with either glass plugs conforming to Speci-
1.1 This specification covers two styles of glass micro-
ficationE675orPTFEplugsconformingtoSpecificationE911.
burets of the “Koch” type for general laboratory use.
3.3 Joints and Stoppers—All joints and stoppers shall
2. Referenced Documents
comply with the requirements of Specifications E675, E676,or
E677.
2.1 ASTM Standards:
3.4 Graduation—The graduated section shall be in compli-
E438 Specification for Glasses in Laboratory Apparatus
ance with Pattern I of Specification E694.
E675 Specification for Interchangeable Taper-Ground Stop-
cocks And Stoppers
4. Design
E676 Specification for Interchangeable Taper-Ground
4.1 Style I:
Joints
4.1.1 Style I shall be in compliance with Table 1 and Fig. 1.
E677 Specification for Interchangeable Spherical Ground
4.1.2 This style shall be equipped with a detachable tip with
Joints
either a 7/25 joint or a SJ 12/5 joint.
E694 Specification for Laboratory Glass Volumetric Appa-
4.1.3 Reservoir and graduated section shall be secured to
ratus
each other to cushion against breakage during transit and in
E911 Specification for Glass Stopcocks with Polytetrafluo-
use. Typical arrangements are a cork spacer and tape or a glass
roethylene (PTFE) Plugs
bridge.
E920 Specification for Commercially Packaged Laboratory
4.2 Style II:
Apparatus
4.2.1 Style II shall be in compliance with Table 2 and Fig.
E921 Specification for Export Packaged Laboratory Appa-
2.
ratus
4.2.2 This style shall be equipped with a detachable tip of
E1133 Practice for Performance Testing of Packaged Labo-
noble metals (platinum or platinum alloys) sealed to glass in a
ratory Apparatus for United States Government Procure-
form commonly designated as Shohl-Type.
ments
4.2.3 Reservoir section shall be separate from graduated
E1157 Specification for Sampling and Testing of Reusable
section with connection made by a SJ 12/5 spherical ground
Laboratory Glassware
joint complying with Specification E677.
3. General Requirements
5. Sampling and Testing
3.1 Material—Burets shall be made from Type I, ClassAor
5.1 See Specification E1157.
B glass as specified in Specification E438.
6. Packaging
This specification is under the jurisdiction of Committee E41 on Laboratory
6.1 Select one from ASTM Standards: Specifications E920,
Laboratory Apparatus and is the direct responsibility of Subcommitt
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.