Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Purity
Page 48 of 51 of this archive, newest first.
Why FGP can be entirely straightforward and still tell you nothing about bioburden
The Journal has read several hundred certificates from twenty companies. We set out what the documents actually cover, and what a reader is filling in from imagination.
India health authority warns on falsified exenatide pens
Reported from the analysis, not from a warning notice.
Why a result on one vial says less than the trade needs it to
What a laboratory can and cannot know about the provenance, storage history and representativeness of what lands on its bench.
QSC names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at CPC in March, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The named comparison we promised two years ago
Duplicate submissions under different names test within-laboratory repeatability, which is a different quantity from between-laboratory reproducibility.
What changed at WXT in March, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
FGP names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Six words a verification badge would need to mean anything
A badge asserts that something was tested. It does not assert what, when, on whose sample, by what method, or whether the lot on sale is the lot that was tested.
What changed at JEEP in February, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
The submitted sample: the weakest link in the whole system
What a laboratory can and cannot know about the provenance, storage history and representativeness of what lands on its bench.
South Korea health authority warns on falsified semaglutide pens
Reported from the analysis, not from a warning notice.
BCH names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
QSC names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Independent analysis puts a WWB liraglutide lot at 98.2%, against 96.5% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Quadrupole, time-of-flight, orbital trap: what each class can and cannot see
Every instrument specification quoted in an advertisement is a best case obtained on a calibration mixture, not on a submitted vial.
One column, one wavelength, one very large blind spot
The Journal has read several hundred certificates from twenty companies. We set out what the documents actually cover, and what a reader is filling in from imagination.
Independent analysis puts a QYB survodutide lot at 95.9%, against 94.3% on the certificate
The supplier confirmed the determination and supplied the method behind its own figure inside a week.