Pesticide Testing: Where We Stand

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What you need to know The WSLCB has opened up a CR101 rulemaking regarding pesticide testing. Public comment period is now. The LCB have outlined the reasons for this rulemaking, which include: Seek more alignment with DOH’s Compliant Products Rules (i.e. differences in lot vs. harvest sampling) Increase efficiencies in testing adult-use and compliant products Increase the availability of compliant … Read More

We’re Expanding Our Operations!

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We are very excited to announce that Confidence Analytics is expanding its operations beyond the borders of Washington state. Our lab is proud to be a leader in Washington for honest and consistent quality assurance services, with worldwide recognition for our outstanding science published in Nature magazine. We are excited to bring our institutional knowledge to the rest of the … Read More

Uncured flower samples

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What? Going forward, we are changing our policy on uncured (wet) flower samples for pesticide testing: we are no longer able to accept them uncured. Why? With our recent price drop on pesticide screening, we’ve seen an increase in the number of wet flower samples that we receive. Previously, it was a rare occurrence, so we would let the samples … Read More

The Choicest Lab Samples on Instagram

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Allow us to introduce you – internet, this is @lab_samples, our companion Instagram profile. @lab_samples is dedicated to sharing what we consider to be the most visually appealing and choicest lab samples our customers present to us for analysis. Every sample we test is photographed for our records. With appropriate permission from our customers, we are sharing those sample photos … Read More

Eight Cannabinoids by HPLC-UV

Pat ReynoldsGeneral3 Comments

Measurement of cannabinoid content, or “the potency test”, is frequently discussed in cannabis analysis. In this paper, we describe the method which has been in routine use at Confidence Analytics since 2014, measuring CBDA, CBGA, THCA, CBG, CBD, CBN, THC (delta-9), and CBC. It has acquired data on over 50,000 cannabis consumer products in that time. By releasing our method into the public domain, we hope to advance the standardization conversation.