dyes and pigments

Examine The Value Of Colour In Everyday Life

Colour provides us with the ability to differentiate many things. The value of colour is so extensive. It ranges from the use of language to artists and designing. There are a variety of examples that require the existence of colour and without it, these things will just be boring. Television...

Open Document

Phosphates In Water Pollution

Phosphates may be created by substituting some or all of the hydrogen of a phosphoric acid by metals. Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate. Primary and secondary phosphates contain hydrogen and are acid salts....

Open Document