More than 4 new chemicals introduced everyday usually without safety

In a violent uprising against industrial pollution, thousands of farmers in eastern China's Huaxi village clashed with nearly 3,000 police personnel before dawn on April 10, 2005, when the latter

Why are colours a problem?

classification of dyesM Dyes can be classified according to their chemical structure or according to their use. However, classifications vary from agency to agency though there are some fundamental

Cleaning up colour is almost impossible