Triarylmethanes Group: A notice of intent to amend the Domestic Substances List to apply the Significant New Activity (SNAc) provisions of the Canadian Environmental Protection Act, 1999 to Malachite ...

The heavy oil is also an important raw material for specialty oils, and the naphthenic heavy oil, coined as the "rare earth" of oil, is a high-quality raw material for producing asphalt and ...