£342.00
Inc. VAT
£285.00
Ex. VAT
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Description
The Big-4 Calibration Stock Standard is a 125 ml solution of four artificial sweeteners and preservatives (caffeine, benzoate, sorbate and acesulfame potassium, each at 1,000 mg/L in an acetate buffer reagent with 5% ethanol). The standard is composed of analytes that are traceable via the current lots of the USP reference standards to the SI units and meets ISO Guide 31 on reference materials. The Big-4 Calibration Stock Standard can be used for QC methods that use HPLC, UPLC or UHPLC. A copy of the Certificate of Analysis will be included with each shipment.
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