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Turbidity Standards and Reference Materials

Author: John J. Barron Managing Director, Reagecon Diagnostics Ltd, Shannon Free Zone, County Clare, Ireland


High quality turbidity standards and controls are required for precise and accurate on-line, field and laboratory turbidity measurements. This paper introduces a new range of such standards that are formazin-free and provides the first detailed description of how their features and characteristics facilitate all aspects of good laboratory practice (GLP). The new standards are compared and contrasted with the formazin standards from a GLP, Health & Safety, stability and cost saving perspective and are shown to offer unequivocal advantages under all of these categories. The paper concludes that such standards should always be used in preference to formazin based standards.

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