This specification provides standard dimensional requirements for glass beakers suitable for general laboratory use. The glass beakers are classified into types and sizes and are presented in details. The glass beaker types are: type I - low form with spout; type II - low form, with spout heavy duty; type III - tall form, with spout; type IV - tall form, without spout; and type V - electrolytic, without spout. Beakers shall be made of borosilicate glass conforming to the requirement specified. Types I and II beakers shall be constructed to have straight sides. Types III and IV beakers shall have slightly tapered sides. Type V beakers may have slightly tapered or straight sides.
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1.1 This specification provides standard dimensional requirements for glass beakers suitable for general laboratory use.
Note 1—For packaging standards, choose among the following standards: Specification E 920; Specification E 921, Practice E 1133. For sampling and testing refer to Specification E 1157.
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
E671 Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus
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
beakers; glass; laboratory; Beakers; Glass laboratory apparatus--specifications; Laboratory apparatus--specifications;
ICS Number Code 71.040.20 (Laboratory ware and related apparatus)
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