IT was known fifty years ago that hydroxy byproducts arise in small quantities in the nitration of benzene and toluene, and their significance was discussed by Armstrong and Rossiter in 1891. Since ...
A quick and simple fluorescent test can detect trace quantities of benzene in both liquid and vapor form. The new test uses paper strips impregnated with a supramolecular host-guest assembly system ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果