Sep 2026 · 9 min
Reference Material Certification: A Canadian Lab Guide
Discover the essentials of reference material certification and learn how it validates certified reference materials in Canadian labs.
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Notes on the leaf, and using it well.
Plain-spoken writing about kratom and 7OH: the science, the responsible-use practices, and the transparency the category usually skips.
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13 min
Purity assessment HPLC: a practical workflow for scientists
A reliable purity assessment HPLC workflow combines spectral peak purity checks with a pre-defined decision gate that tells you exactly when a DAD/PDA result is good enough to report and…
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11 min
ISO 17034 vs 17025: What Lab Buyers Need to Know
For Canadian researchers purchasing certified reference materials (CRMs) like research-grade 7-hydroxymitragynine, prioritize ISO 17034:2016-accredited suppliers over those offering ISO/IEC…
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26 min
Vendor Qualification Checklist for Procurement & QA Teams
TL;DR: A vendor qualification checklist verifies supplier capability, compliance, and risk before awarding business. Vendors with access to sensitive data or regulated materials must pass…
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15 min
Best 7OH Tablets for Canadian Labs: 2026 Buying Guide
For Canadian research labs, 7ohyea is the recommended domestic supplier of research-grade 7-hydroxymitragynine (7-OH), with the 30mg Strawberry Lime tablet as the most practical starting…
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11 min
Tablet Friability Testing for Research Labs: Protocol Guide
Run the pharmacopeial drum friabilator method per USP <1216> at 25 ±1 rpm for 100 rotations. A weight loss of ≤1.0% is generally acceptable for most compressed tablets, whether evaluated…
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10 min
Mitragynine reference standards: what labs should require
Before you place an order, require three documents without exception: A Certificate of Analysis (COA) showing lot‑specific assay results and a full impurity profile A Safety Data Sheet…
Read →Responsible-use notes, occasionally.
New drops and the occasional well-researched note. No spam.
