What PTs do you offer?
We offer both organic and inorganic PTs for environmental and pharmaceutical testing.
Please view the range at www.sigmaaldrich.com/pt
Where can I find a list of available studies?
The study schedule is available to view here: http://www.sigmaaldrich.com/analytical-chromatography/proficiency-testing.html
What is the difference between a scheduled study and a quick turn?
How does a quick turn work?
What do the codes mean (e.g. WP19-2)?
I don't have a lab code. What is this and how do I get one?
How do I enroll in a PT?
How do I get a quote or place an order?
How do I log in?
All passwords have been transferred over from the old site. If you do not remember your password, click reset password, or email ptservice@milliporesigma.com if you need additional support.
Is there a training video for data entry?
Yes there is, you can watch it below:
My products have arrived and I didn't receive any prep instructions, where can I get these?
You will need to log into the PT Portal and select your study. At the top of the data entry page, you will see the reporting steps. Step 1 is “Reporting Packet”. Select this and download or print the reporting packet.
I have the samples and have analyzed them, how do I report the results?
Log on to the PT Portal to enter your results. If you need some further guidance, please refer to the training video on the FAQs page.
I have several analysts who want to enter data, can I do this?
I use LIMs to collate my lab results, can I use this to report data?
Yes, we also provide a template for download, entering results and then uploading back to the PT Portal. You can download the template on the data entry page on the portal.
When will my quick-turn results be available?
I have a question regarding a specific PT sample. Who do I contact?
You can email our PT Service team at ptservice@milliporesigma.com for general questions about reporting packets, reporting questions etc. as well as preparation instructions or specific sample technical questions.
Where can I find COAs?
Where can I view the ISO certificates for this provider?
Our certificates can be found here under the Laramie location: https://www.sigmaaldrich.com/customer-service/quality-systems/iso-certification.html