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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.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers two styles of glass micro-burets of the “Koch” type for general laboratory use.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E438 Specification for Glasses in Laboratory Apparatus
E675 Specification for Interchangeable Taper-Ground Stopcocks And Stoppers
E676 Specification for Interchangeable Taper-Ground Joints
E677 Specification for Interchangeable Spherical Ground Joints
E694 Specification for Laboratory Glass Volumetric Apparatus
E911 Specification for Glass Stopcocks with Polytetrafluoroethylene (PTFE) Plugs
E920 Specification for Commercially Packaged Laboratory Apparatus
E921 Specification for Export Packaged Laboratory Apparatus
E1133 Practice for Performance Testing of Packaged Laboratory Apparatus for United States Government Procurements
E1157 Specification for Sampling and Testing of Reusable Laboratory Glassware
ICS Number Code 71.040.20 (Laboratory ware and related apparatus)
UNSPSC Code 41121808(Laboratory burets)