Expiration dating for laboratory reagents and solutions

Inorganic Ventures manufactures single-element standards to be chemically stable .Our chemists have been checking and testing standards for almost 20 years.Solutions prepared for chemical analysis are not stable for a longer period.

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You need to have experimental data to support your decision. The most updated information about chromatographic columns in USP can be found on the USP Chromatographic Columns Web site (sign-in required).the variation of normality should not be away from /-10%. Incorrect strength or concentration of volumetric solutions, reagents and buffer solutions can alter the results of analyzed products.The shelf life of solutions depends on the nature of the compound and the solvent also.Therefore, it is necessary to validate the stability period of these solutions individually in which these have to consume.The integrity of an aqueous trace metals standard is dependent upon: is the amount of time that a properly packaged and stored standard will last without undergoing chemical or physical changes, remaining within the specified uncertainty.

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