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4 Current news about the topic calibration standards


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Measuring Planck's constant, watt balance brings world closer to new kilogram


A high-tech version of an old-fashioned balance scale at the National Institute of Standards and Technology (NIST) has just brought scientists a critical step closer toward a new and improved definition of the kilogram. The scale, called the NIST-4 watt balance, has conducted its first ...


New NIST nano-ruler sets some very small marks


The National Institute of Standards and Technology (NIST) has issued a new ruler. Designed to be the most accurate commercially available "meter stick" for the nano world, the new measuring tool — a calibration standard for X-ray diffraction — boasts uncertainties below a femtometer. That's ...


SCP SCIENCE Announces Purchase of Conostan From ConocoPhillips


SCP SCIENCE has reached an agreement to purchase Conostan, an oil-based standards manufacturing division of ConocoPhillips. Located in Ponca City, Okla., Conostan is a manufacturer and supplier of oil-based analytical standards used for calibration or verification of instruments for analysis of ...


Praxair Announces Startup of Nitric Oxide Plant in Pennsylvania


Praxair, Inc. announced the startup of a nitric oxide (NO) plant in Bethlehem, Penn. This plant produces 99.5% pure nitric oxide and will be able to satisfy most of the anticipated demand for the non-FDA-regulated (Food and Drug Administration) applications of this product in North America. ...


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