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 ...

ULTRA Scientific offers the Gold Standard with ISO Guide 34 accreditation

Organic and inorganic standards distributed by LGC Standards give laboratories greater choice and quality

28-Jan-2010 - LGC Standards announced that ULTRA Scientific, one of its key suppliers, has gained ISO Guide 34 accreditation for the production of organic and inorganic certified reference materials (CRMs). ISO Guide 34 requires an extensive protocol for homogeneity, short term stability, long term stability, ...

New NIST nano-ruler sets some very small marks

25-Sep-2009 - 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 ...

New beryllium reference material for occupational safety monitoring

24-Sep-2009 - Researchers at the National Institute of Standards and Technology (NIST), in collaboration with private industry and other government agencies, have produced a new reference material for beryllium. Beryllium, an exotic rare-earth metal used as a hardener in high-performance alloys and ceramics, ...

NIST gets the dirt on soil with 3 new reference materials

28-Aug-2009 - The National Institute of Standards and Technology (NIST) has issued three new certified reference materials for soil. Intended for use as controls in testing laboratories, the new Standard Reference Materials (SRMs)— gathered from the San Joaquin Valley in California and from sites near Butte ...

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 ...

Eight of the total of 16 Reference Laboratories within BfR have been newly appointed

12-Dec-2006 - Reference laboratories are of key importance for consumer health protection. Together with the public agencies of the federal states, they elaborate the standards for the work of the test laboratories involved in food monitoring. Reference laboratories act as an arbitrator when it comes to ...