In cannabis testing, detecting a compound and accurately measuring how much of it is present are two different things. A laboratory may be able to detect an analyte at a low concentration without being able to quantify it reliably at that same level. Understanding the difference between the limit of detection (LOD) and the limit […]
Testing for the same cannabinoid across different products isn’t always as straightforward as it sounds. THC in dried flower, for example, presents different testing challenges than THC in an edible or topical. Each product has its own composition, and those differences can affect how a sample is prepared, how the cannabinoid is measured, and how […]
TL;DR Validated methods are essential for reliable cannabis testing, but validation alone isn’t enough. Health Canada’s September 2026 guidance emphasizes product-specific method validation, ongoing quality control, and transparent reporting. For cannabis license holders, choosing the right laboratory means looking beyond basic compliance to evaluate technical competence, accreditation, testing capabilities, and service reliability. This article outlines […]
Natural health products can contain ingredients from many different sources, including botanicals, minerals, oils, extracts, and other processed raw materials. Those materials can bring different contaminant risks into a finished product, while manufacturing and extraction can introduce additional considerations of their own At PPB Analytical, we support NHP companies with testing for a range of […]
Natural health products can vary significantly in formulation, ingredients, dosage form, and manufacturing process. These differences can influence both the risk of chemical and microbial contamination present in a Finished Product. PPB Analytical offers a broad range of testing services for NHP companies by offering a broad range of testing services. Over the next four […]
What to Do When You Receive an Out of Specification (OOS) Result Unexpected test results can raise important questions for any Quality Assurance team. Perhaps the reported THC potency is lower than expected. Maybe the terpene profile doesn’t align with previous harvests or the cultivar’s expected characteristics. Whatever the case, an unexpected result doesn’t necessarily […]
