【国外标准】 Standard Specification for Pipet, Blood Diluting

This specification covers the requirements for glass reusable blood diluting pipets that are used for performing red and white cell corpuscle determinations. The pipets shall be made of common spirit bore white back tubing or clear glass with a white stripe applied to the outer surface of the tubing. The beads shall be made of glass or ceramic composition and shall be of red, clear, or white coloring. Materials shall be tested and the individual types shall conform to specified values of design, capacity, capacity markings, graduation lines, accuracy, workmanship, identification, and pigmentation.1.1 This specification covers requirements for glass reusable blood diluting pipets that are used for performing red and white cell corpuscle determinations.1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.3 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.