Blog

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.

31–39 of 39
20 min

Analytical Balance Calibration: A Complete Lab Technician SOP

TL;DR: Perform a multi-point external calibration with NIST-traceable weights, documenting all readings before and after adjustment. A careful setup, environmental control, and proper…

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14 min

Tablet formulation basics for research-grade 7OH labs

Research-grade 7-hydroxymitragynine (7OH) tablet formulation, in the context of analytical work, means producing or procuring compressed alkaloid preparations that deliver consistent…

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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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9 min

Reference Material Certification: A Canadian Lab Guide

What is reference material certification, and what makes a CRM valid? Reference material certification is the formal process of establishing the certified property value of a candidate…

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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…

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Responsible-use notes, occasionally.

New drops and the occasional well-researched note. No spam.