Reference standards

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Density standards demonstrably accurate

These standards are supplied with a certificate of calibration demonstrating traceability to national standards and are widely used to verify the performance of density meters

News from Anton Paar (11 March 2005)

CRMs for GMOs, sulphur, and aflatoxins

New brand of certified reference materials for GMOs in maize, sulphur in diesel, and aflatoxins in milk powder make their US debut at Pittcon 2005

News from LGC ( 7 March 2005)

Site features Nist traceable lead paint standards

These certified reference materials are useful to laboratories performing testing of environmental samples including paint, soil and dust for lead by atomic and emission spectroscopy

News from Environmental Reference Materials (11 February 2005)

One for the pharmacists

Pharmaceutical reference substances and impurities catalogue including primary pharmaceutical standards from the US, European, and British pharmacopoeias

News from LGC (22 December 2004)

Standards need not be standard

Customised reference standards can be prepared to exact specifications of components and solvents, saving the analyst's time and effort in preparation of solutions

News from LGC ( 6 December 2004)

Lupus control plasmas are highly discriminatory

Each control is supplied with a table of expected clotting times for both screening and confirmatory reagents together with DRVVT ratios and normalised ratios to the companion normal plasma

News from Technoclone (22 November 2004)

References for chemical weapons

New reference materials available from LGC Promochem for environmental analysis include chemical warfare verification standards

News from LGC (19 November 2004)

A kaleidoscope of protein standards

Ten recombinant proteins are present as five different colours for easy gel and blot orientation and band identification Brochure available

News from Bio-Rad Laboratories ( 3 November 2004)

Traceable tracking of stray light

Stray light (or stray radiant power ratio) is an often undetected source of error in UV-visible spectrophotometry, and when present causes depressed readings at high absorbance values

News from Optiglass ( 6 October 2004)

Fipronil metabolites as reference standards

The toxicity of Fipronil has become a topic of great concern, but it is its metabolites that have been determined to be much more toxic to various organisms than the parent compound

News from Accustandard (20 September 2004)

Lead paint standards are Nist traceable

These certified reference materials are useful to laboratories performing testing of environmental samples including paint, soil and dust for lead by atomic and emission spectroscopy

News from Environmental Reference Materials (16 September 2004)

Quantitated PCR control DNA for SV 40

Simian virus 40 is suspected to be a carcinogen, and is estimated to infect up to 30 million people in the USA as the result of contaminated polio vaccine used in the 1950s and 60s

News from Advanced Biotechnologies ( 9 August 2004)

Finding chiral chemicals made a little easier

Contains data on over 1500 chemicals with relevant data such as full chemical name, molecular formula, CAS registry numbers, Einecs/Elincs numbers and details of suppliers

News from Bark Information Services ( 3 August 2004)

The answer lies in the soil

Launched in response to increasing concerns about contaminated land, this new range of soil quality control materials meets MCerts performance standards

News from LGC (26 July 2004)

Three year shelf life on spectroscopy standards

Extended shelf life on all single element chemical reference standards for plasma emission, atomic absorption and plasma emission/mass spectroscopy

News from Accustandard (23 July 2004)

References for plant-derived phytomedicines

The demand for plant-derived phytomedicines is increasing and, consequently, manufacturers are having to widen their sources of the plant extracts which are their raw materials

News from LGC (16 July 2004)

Brominated flame retardant standards line

Range of over 130 pure brominated diphenyl ether (PBDE) congeners for use as standards for toxicology research and in the identification of unknown substances in environmental samples

News from Accustandard ( 9 July 2004)

Certified reference materials are explosive

Designed to ease explosive analysis and detection, the range includes explosives and their metabolites, raw materials and degradates for comprehensive coverage

News from Accustandard ( 8 July 2004)

Certified particle size standards are coloured

Intensely coloured microspheres offer very high contrast and visibility relative to most background materials, for use as reference or calibration materials