Introduction When we spin a tube in the centrifuge, the clear liquid that floats on top is called the supernatant. It may look simple, but getting a clean, usable supernatant is a skill that can make or break your experiment.…
Introduction When we step into the lab for an acid‑base titration, the star of the show is the titrant. It’s the solution that slowly reacts with the analyte until we hit the endpoint. But a titrant is only as good…
Introduction Ever watched sugar crystals form in a jar of water and wondered how we can make that happen on purpose? In chemistry, that “sweet” process is called precipitation. Whether you’re trying to pull a metal out of a wastewater…
Introduction When we spin down a tube of cells or a broth culture, the clear liquid that sits on top is called the supernatant. It may look like just “the leftover liquid,” but in reality it holds a treasure trove…
