Chromatography gets its name from the (sometimes) colourful chromatograms it produces.

Chromatography is a method used for separating ( and identifying) components of a mixture based on how they interact with two phases :  1. Two Phases Stationary phase: stays fixed (solid or a liquid coated on a solid).Mobile phase: moves through the stationary phase (liquid or gas). Separation happens because different substances int...

Use the data here to calculate the Ar of lead.

 Background 1.14 - 1.17 Atomic structure If a nucleus was the size of a raisin, the rest of the atom would be the size of a sports stadium https://www.mychem.co.uk/index.php/igcse-chemistry/principles-of-chemistry/atomic-structure  how it works > A mass spectrometer "sorts" particles according to their mass. A mass spectrum gives the r...

The NMR facility at Princeton University

Proton NMR produces a spectrum with a  number of peaks.  The number of peaks corresponds to the number of different chemical environments in which protons exist. OCREdexcelAQA Introducing NMR Proton NMR Carbon 13 NMR TMS  Looking at the protons  High resolution NMR - reveals a splitting pattern. This is produ...