they produce the same number of spots, and these match in colour the spots travel the same distance as they have the same R f value R f values can be used to identify unknown chemicals if they can ...

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 ...

A team of chemists and engineers in China has developed a new, efficient way to separate oil and water mixtures. In their paper published in the journal Science, the group describes how they developed ...

Two types of heterogeneous mixtures are suspensions and colloids. Suspensions are made of the largest particles and can be easily separated by physical means such as filtering. A colloid’s particle ...

Trying to separate pumpkin seeds from slimy pulp can be unpleasant and frustrating, but you can use kitchen tools you already ...

How do complex mixtures of chemicals affect our health? New research has shown that chemicals that occur in complex mixtures and in concentration ratios as found in humans act together.

can separate harmful or unwanted alcohols from existing aqueous mixtures. The research is published in the journal Angewandte ...

As seeds are separated, the pressure of the water will ... depending on the spice mixture. Pumpkin seeds can handle a lot of salt seasoning, so if you're just seasoning with salt, be generous.

4: Scoop mixture into lightly sprayed muffin pans, filling 2/3 full. Bake until nicely brown on top, about 18 minutes for ...

Multiple studies show the benefits of organic food, including lower risks of some cancers, obesity and congenital ...

A team of chemists and engineers in China has developed a new, efficient way to separate oil and water mixtures. In their paper published in the journal Science, the group describes how they ...