a pure substance consists only of one element or one compound a mixture consists of two or more different substances, not chemically joined together ...

a pure substance consists only of one element or one compound a mixture consists of two or more different substances, not chemically joined together ...

A team of researchers from Waters Corporation, led by Szabolcs Fekete, tested a new approach for separating oligonucleotides.

Gel electrophoresis is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size. In gel electrophoresis, the molecules to be separated are pushed by an ...

Investigate a variety of black ink markers, and find out why they look black. Blank inks are usually mixtures of a variety of colored ink pigments in liquid solvents. Chromatography is a technique ...