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We document the Quality Release Date, that is, the point in time when analytical data has been reviewed as confirming compliance with product description, specification and lot uniformity, for all products.

For those materials where shelf life information is a requirement, expiration and retest periods are available at the batch level.

In cases of atmospheric contact causing product degradation, it is often possible to detect physical changes such as liquefaction, color differences or physical variation which may be used as a guide to determine if a material has deteriorated.

EMD Millipore recommends that the customer keep a list of the date of receipt and the date the product was first opened for use.

What this means is that we only put Expiration Dates on products where we have collected sufficient real-time stability data to allow us to assign a minimum 36 month expiry date.

For all other products, including most neat reference materials, we assign a Retest Date until we have collected sufficient data to establish long term shelf life (36-60 months).

Links to some full-text materials, journal websites, architectural practices etc.

Members of the University are allowed, for educational purposes, to search, save or print sections and to incorporate sections in print or electronic course packs/VLEs on a secure environment (with appropriate acknowledgement of the source, listing title & copyright owner).

For public display or performance of any part of the archive (e.g.

This data is collected as part of our normal release testing process whereby comparison is generated to the prior lot to ensure lot to lot consistency and to a stability lot to establish long term shelf life.

As a part of our continuous improvement process we implemented the concept of Retest Dates in 2006 on all products for which long term shelf life data has not been collected.

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