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Q: Are the DIN Certified Standards of better quality than the regular products? 


A:



All PSS standards are produced under the most strict quality environment.  
When you purchase DIN Certified Standards, you are actually purchasing the additional data that is collected on a particular lot number, other than the data obtained with Conventional Gel Permeation Chromatography.
Usually the extra documentation presented in a DIN certified standard is required by GMP/GLP protocols. 


Q: Why aren't the DIN Quality Certificates posted on-line

A: The additional information is very valuable, and therefore the DIN Quality Certificates are not available to every website  visitor. Contact us for more information

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