X-rays from copper source set new gold standard for measuring industrial materials

17-May-2017 - Researchers at the National Institute of Standards and Technology (NIST) have produced and precisely measured a spectrum of X-rays using a new, state-of-the-art machine. The instrument they used to measure the X-rays took 20 years to develop, and will help scientists working at the agency make ...

How good is the measurement method?

Three more interlaboratory tests on safety of chemicals

29-Nov-2016 - The causes of accidents can be diverse, whether it is an explosion in a chemical plant or a fire on a dangerous goods freighter. Prevention starts in the laboratory where chemicals are tested for their hazardous properties. Safety experts, haulage contractors or traders must be able to rely on ...

Natural air standards support accurate greenhouse gas measurements

23-Feb-2016 - When it comes to tallying emissions of greenhouse gases, there is no better substitute than directly measuring the atmosphere. But this important accounting can be obscured, and even confused, if measurements of the air-borne heat-trapping chemicals are inaccurate or can't be compared from one ...

NIST nanofluidic 'multi-tool' separates and sizes nanoparticles

11-Aug-2010 - A wrench or a screwdriver of a single size is useful for some jobs, but for a more complicated project, you need a set of tools of different sizes. Following this guiding principle, researchers at the National Institute of Standards and Technology (NIST) have engineered a nanoscale fluidic device ...

Linde awarded certification for supply of calibration gases in China

02-Mar-2010 - Linde Gases, a division of The Linde Group, today announced it has been granted important GBW certification by the Chinese State Bureau of Quality and Technical Supervision, approving Linde’s production of gas reference materials from its plant in Suzhou, Jiangsu province in eastern China. GBW ...

NIST issues human milk and blood serum SRMs for contaminant measurements

03-Jul-2009 - Responding to scientists' need to measure organic contaminants in human body fluids, the National Institute of Standards and Technology (NIST) has recently made four new Standard Reference Materials (SRMs) available for purchase. Developed in collaboration with the Centers for Disease Control and ...

ASTM International Declarable Substances Committee Approves First Test Method

29-Sep-2008 - ASTM International Committee F40 on Declarable Substances in Materials has approved its first test method, F2617, Test Method for Identification and Quantification of Chromium, Bromine, Cadmium, Mercury and Lead in Polymeric Material Using Energy Dispersive X-ray Spectrometry. The new standard is ...

Scientists form alliance to develop nanotoxicology protocols

International group addresses lack of consensus on test procedures

11-Sep-2008 - A team of materials scientists and toxicologists announced the formation of a new international research alliance to establish protocols for reproducible toxicological testing of nanomaterials in both cultured cells and animals. The International Alliance for NanoEHS Harmonization (IANH) was ...

Sigma-Aldrich Achieves Double Accreditation as a Certified Reference Material Producer Following ISO/IEC 17025 and ISO Guide 34

30-Nov-2007 - Sigma-Aldrich(TM) announced that its laboratory for the production of Certified Reference Materials (CRM) in Buchs, Switzerland, received double accreditation following ISO/IEC 17025 "General requirements for the competence of testing and calibration laboratories" and ISO Guide 34 "General ...

LGC gains UKAS accreditation for the production of reference materials

15-Aug-2006 - LGC has become one of only five organisations in the UK to be accredited to ISO Guide 34 and ISO/IEC 17025. LGC's new UKAS ISO Guide 34 accreditation covers the entire process of reference material production, including homogeneity and stability testing as well as production planning, which are ...