Should you have any questions, please contact Horacio Pappa, Ph.D. It is anticipated that the revision will be published as a Proposed Interim Revision Announcement in PF 40(1) pursuant to section 7.02 of the Rules and Procedures. “Repeatability is satisfactory if two times the standard deviation of the weighed value, divided by the nominal value of the weight used the desired smallest net weight, does not exceed 0.10 %” It is proposed to revise the Repeatability test as follows: The weighing shall be performed using a balance that is calibrated over the operating range and meets the requirements defined for repeatability and accuracy. In accordance with section 7.05(c) of the 2010–2015 Rules and Procedures of the Council of Experts, this is to provide notice that the USP General Chapters-Physical Analysis Expert Committee intends to revise General Chapter Balances to correct a problem detected with the Repeatability test. USP General Chapter 41 (Balances) General Chapter 41 sets three distinct requirements to be applied to materials that must be accurately weighed. Targeted Official Date: Interim Revision Announcement 01–Jul–2014Įxpert Committee: General Chapters-Physical Analysis Type of Posting: Notice of Intent to Revise
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