Xcel Research News
Plain-language guides to testing methods, certificates of analysis, chemistry, storage and stability, written for research laboratories.
Plain-English definitions of 14 analytical testing terms, from area percent and co-elution to mass balance and reference standard.
Two labs print the same purity number, and both are telling the truth. Here are five ways an accurate report still leaves you with the wrong picture.
A forged page can copy how a report looks. It cannot copy a laboratory’s willingness to answer. Three layers of checks a careful reader runs.
A third-party tested badge names who held the instrument. It leaves six questions open. Learn what to check behind the badge before you trust it.
One big number sits on top of a certificate of analysis. The small print decides whether to trust it. Walk through an invented report line by line.
A logo is free. A real lab report survives six checks: matching IDs, a direct question to the lab, raw files, simple arithmetic and a second opinion.
Two labs can report different area-percent purity for the same material. Learn how column, gradient, wavelength and integration change the number.
All Research News articles, grouped by topic: reading reports, purity, identity, content, storage and lab quality.