r.sobczak

TL2 Moderator · Essen

Contributes reviews on supplier material. Based in Essen.

Joined 14 July 2025 · last posted 10d

2 replies marked as the accepted answer.

Second pass at: A field-by-field walk through a certificate of analysis Replied, post #6 · marked as the solution · Analytics › COA interpretation · 14 Jul 2024 · 7 likes post #5 is right about the mechanism and I think understates the practical bit. Reading old certificates: if a certificate is dated years ago, the lot it describes…
HbA1c lag and what it can and cannot tell you at eight weeks Replied, post #7 · marked as the solution · Clinical › Bloodwork · 27 Feb 2025 · 11 likes TSH and free hormones: TSH is a reasonable screening test but does not tell you about actual free hormone levels. If TSH is abnormal, free thyroid hormones confirm…