It is tempting to think that some materials are always heavier than other materials. For example, someone might say that metal is heavier than air. But it depends on how much of each material there is ...

Part of Physics (Single Science) Unit 1: Density and kinetic theory In everyday life, there are three states of matter - solids, liquids and gases. The differences between the three states are due to ...

Liquid chromatography–mass spectrometry (LC-MS/MS) has emerged as a pivotal analytical technique in biopharmaceutical analysis, offering unparalleled selectivity, sensitivity and speed in the ...