Recent Blogs

An expiry date ends use; a retest date invites testing. Which date governs your consumables, who assigns each, and what you can do after either passes.

A glass fiber prefilter catches big particles before they blind your syringe filter membrane. When the extra layer pays off, and when it costs you.

UV-Vis sample prep needs the right cuvette material, clean diluent, and particle-free samples. A checklist that keeps absorbance readings honest.

A new filter lot can quietly shift recovery, blanks, and background. Run this side-by-side protocol before the new lot enters a validated method.

A bottle-top dispenser meters reagent straight from the bottle with less exposure and better repeatability than a cylinder. When does one pay off?

PP centrifuge tubes survive 121°C autoclaving when handled right; PC and PE don’t. The rules on venting, filling, cooling, and when to buy sterile.