There are different ways to separate mixtures, eg by filtration, crystallisation, distillation or chromatography. The method chosen depends upon the type of mixture. A mixture of iron filings and ...

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 ...

Save guides, add subjects and pick up where you left off with your BBC account. they produce the same number of spots, and these match in colour the spots travel the same distance as they have the ...

Blank inks are usually mixtures of a variety of colored ink pigments in liquid solvents. Chromatography is a technique used to separate mixtures. Disposal: Dispose of all solid waste in the trash. The ...

Sometimes a scientist needs to figure out what is in a certain mixture of substances. One way they can do this is to use a process called chromatography. In the activity below, you can try ...

Chromatography is a technique used to separate mixtures of chemical compounds or biomolecules based on differences in their relative affinities for mobile (gas or liquid) and stationary (solid or ...