Methodology FAQs

How much sample do you need for a test?

Typically, larger sample sizes equate to more representative results.

In general, most analyses require 100 grams to 500 grams of your product for an accurate test.

Each analysis is different, so please visit our Test Library for specific sample size requirements.

What Certifications do you maintain and where can I download them?

We maintain two Certifications (click on the image to download).

Please see our Accreditations Page for more information on our Certifications and our Commitment to Quality.

ISO/IEC 17025:2005 Certificate

Murray-Brown Laboratories ISO 17025 Certificate Exp 08-31-18

CDPHE Drinking Water Certificate

MBL State of Colorado Drinking Water Certificate 010117 to 123117

What matrices can you analyze?

We can handle a variety of matrices, including nearly all foods and food products, environmental samples, and dietary supplements.  Please inform us if you have any matrix concerns.

What methods will you use to analyze my sample?

Murray-Brown Labs’ ISO/IEC 17025:2005 Certificate itemizes all analyses/methods for which we are accredited.

Unless specified by the Customer in writing, we will select the method believed to be the most appropriate for analyzing samples based upon the information you provided.

We will notify you when a method you specify is believed to be inappropriate or out of date, and reserve the right to decline the use of such a method.