Independent analysis puts a KP liraglutide lot at 97.9%, against 97.0% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Purity
Page 25 of 51 of this archive, newest first.
SGN declines, for the 6th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
KP declines, for the 24th time, to name its synthesis house
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.
Nigeria health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
A vial can be 99.4 per cent pure and not sterile in the same afternoon
Every certificate circulating in this market answers a question about molecules. Almost none answers a question about organisms, pyrogens, or the integrity of the seal.
Independent analysis puts a WXT exenatide lot at 96.5%, against 92.6% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
A document, not a test: what a certificate actually is
The header identifies the batch, the table records the tests, and the footer says who is answerable. Two of the three are usually incomplete.
FGP declines, for the 15th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Ireland health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
What changed at TFC in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Janoshik result on a Wuhan orforglipron lot lands 4.2 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
Mass spectrometry answers a different question, properly
The most useful single addition to any purity determination is a second separation under a different pH or on a different stationary phase, and the second-most useful is a…
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What changed at KP in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
How a claim degrades between the bench and the listing
Every step between the laboratory report and the product page removes information, and the badge is the last step.
A tested vial is evidence about a vial
What a laboratory can and cannot know about the provenance, storage history and representativeness of what lands on its bench.
The question no chromatogram has ever answered
Every certificate circulating in this market answers a question about molecules. Almost none answers a question about organisms, pyrogens, or the integrity of the seal.
What changed at KP in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The specification sheet says 500,000. The report says conforms.
Calibration drift is real, unremarkable, and the reason serious laboratories run internal standards.