pH meters may require calibration and can be calibrated by the lab themselves Published! What started as a workshop at A2LA AnnCon25 has become a published Guide G149: Guidance for Application of A2LA P102 In-House Calibrations . (A2LA P102 is the Policy on Metrological Traceability.) In-house calibrations are for "conformity assessment bodies (CAB) when they are calibrating their own Measurement & Test Equipment (M&TE) that are used in support of accreditation activities

How do you know how heavy a red-hot chili pepper is? ( sing this out loud ) Give it a weigh, give it a weigh, give it a weigh now. I had to start with a good pun. Really, I'm excited about the updated U.S. Pharmacopeia chapters <41> Balances and <1251> Weighing on an Analytical Balance - both officially OFFICIAL as of February 1, 2026! USP <41> is especially a key chapter as it is used for any USP requirement where "balances used for materials that must be accurately

Questions: Have you struggled with understanding Measurement Uncertainty? I mean, haven't we all?! Have you struggled knowing how to find...