Technical guides
Written for the people who have to defend a method: what a reference standard actually certifies, how to read the documentation that comes with it, and how to choose a supplier without discovering the gaps during an audit.
| How to Choose a Reference Standard Supplier A practical checklist for evaluating reference standard suppliers on documentation, traceability, lot consistency, logistics, and technical support. | 2026-10-05 |
| How to Read a Certificate of Analysis (COA) A field-by-field guide to reading a certificate of analysis for reference standards, covering identity, purity, content basis, and what to query. | 2026-10-05 |
| Stable Isotope-Labelled Standards and When to Use Them When stable isotope-labelled standards earn their place in an analytical method, what to specify when ordering, and the traps in LC-MS and GC-MS work. | 2026-10-05 |
| What Analytical Labs Need to Know About Nitrosamines Where nitrosamine impurities come from, how laboratories detect and quantify them, and the documentation regulators now expect to see. | 2026-10-05 |
| What Is an Impurity Reference Standard? A Lab Guide Learn what an impurity reference standard is, how it is characterised, how it differs from a working standard, and how to use one correctly. | 2026-10-05 |