sulfuric acid; nitric acid in water T=0 - 55°C; 1 h;
参考文献
Piotrowski, David W.; Rogers, Bruce N.; McWhorter JR., William W.; Walker, Daniel Patrick; Corbett, Jeffrey W.; Groppi JR., Vincent E.; Rudmann, Daniel G.
Patent: US2003/236287 A1, 2003 ;
Location in patent: Page 40 ;
US 20030236287 A1