Laboratorytalk

UV linearity checks in demand

Single-point absorbance checks on ultraviolet spectrophotometers are no longer acceptable leading to increased demand for sets of sealed potassium dichromate cells

News from Optiglass, Mar 3, 2004

1300 reference materials catalogued

These standards are currently available for use in industrial materials production and analysis, environmental analysis, forensics, health measurements, and metrology

News from National Institute Of Standards and Technology, Feb 25, 2004

Spirits kit travels the world

Less than six months after its launch, a toolkit used to develop brand flavour awareness has been put into use in more than a dozen countries

News from Flavoractiv, Nov 26, 2003

Catalogue of physical reference materials

Virtually every laboratory has equipment for measuring a physical property, and this equipment requires regular calibration against certified standards

News from LGC, Nov 17, 2003

Low cost interim verification to USP788

Parenteral drug manufacturers seeking an economical interim verification of particle counter performance to USP Monograph 788 can now achieve this using particle count control

News from Brookhaven International (UK), Oct 21, 2003

Catalogue of reference impurities

The increasing importance of pharmaceutical impurity reference materials is reflected in the EP monographs, and is also becoming apparent in the registration of drugs

News from LGC, Sep 25, 2003

Taster validation for brewers

Software-based scheme enables breweries to monitor the performance of their beer tasting panels to identify their strengths and weaknesses in the area of flavour evaluation

News from Flavoractiv, Jul 30, 2003

CRMs for spectrophotometry

Certified reference materials for UV and visible spectrophotometry include sealed-in-cell liquid wavelength and absorbance and a sodium nitrite cut-off solution

News from Optiglass, Jul 2, 2003

Humidity calibration systems

A field sensor must be calibrated against a reference system that has an unbroken chain of calibration through to some primary system, such as operated by national standards laboratories

News from Michell Instruments, May 26, 2003

Brochure available

One-stop shop for traceable recalibration

Calibration laboratory has Ukas accreditation for all wavelength and absorbance scale procedures associated with filter and sealed cell materials

News from Optiglass, May 1, 2003

CRMs for far-UV validation

Certified reference materials extend the instrument qualification range to 200nm, unlike most commercially-available UV CRMs which have lower limits around 240nm

News from Optiglass, Apr 14, 2003

Quantitation of cellular antigen expression

Human antibody binding standards allow users to establish a standard curve relating fluorescence intensity to antigen expression

News from Bangs Laboratories, Jan 27, 2003

Protein standards deliver even sharper bands

Precision Plus Protein standards deliver even sharper bands, more bands, superior lot-to-lot consistency and a dual color option in a broad range ladder

News from Bio-Rad Laboratories, Dec 19, 2002

Brochure available