Standard Specification for Sampling and Testing of Reusable Laboratory Glassware
This specification covers sampling and testing of laboratory glassware items for use until they are no longer considered functional for the intended purpose, and does not include disposable (single use) items. Four types of reusable laboratory glassware are covered, namely: blown and pressed glassware, nongraduated; blown and pressed glassware, graduated; tubular glassware, nongraduated; and tubular glassware, graduated. The product shall be designed to meet the specified test performance requirements. Alternate testing methods, inspection levels, and sample sizes may be implemented. Sampling shall be conducted in accordance with the specified inspection and examination levels and acceptance quality levels for major defects, minor defects, and dimensional examination. Where applicable, distilled water and reagent grade chemicals shall be used throughout the tests. Inspection shall be conducted in accordance with applicable section and individual specifications. The basic testing criteria for the following tests are detailed: (1) leakage test, (2) permanency of marking by alkali and acid tests, (3) capacity fill test, (4) autoclaving, (5) pour test, and (6) centrifugal test.
1.1 This specification covers laboratory items for use until they are no longer considered functional for the intended purpose. It is written specifically for reusable items and is not to be confused with disposable (single use) items that are described in other standards.
1.2 This specification covers the sampling inspection and basic testing criteria for the following four types of laboratory glassware: blown and pressed glassware, nongraduated;2 blown and pressed glassware, graduated;2 tubular glassware, nongraduated; and tubular glassware, graduated.
1.3 This specification is intended to be used in conjunction with a standard specification for a specific laboratory glassware product.
1.4 The following precautionary statement pertains only to the test method portion, Section 6, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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