To browse Academia.edu and the wider World-wide-web faster and even more securely, be sure to have a few seconds to up grade your browser.S c p = W e i g h t o file t h e d r u g i n m i c e l l a r s o l u t i o n ( m g ) W e i g h t o f p o l y m e r ( g )This example highlights how HEC allows the oil and gas sector