Standard buffer solutions for pH-meter calibration. pH-meters measure the voltage. developed between two electrodes. immersed in the sample and. compare that value to a calibration. derived from the same electrode. pair and known standards.
Collinsville, Illinois. Built in 1949 in this former catsup company town, the World's Largest Catsup Bottle celebrated its 65th anniversary in 2014. It's the water tower at the old Brooks Catsup Plant and headquarters.
Dart Container. Dart Container Corporation of Mason, Michigan, United States is the world's largest manufacturer of foam cups and containers, producing about as many as all competitors combined. Dart Container is privately held by the Dart family. In May 2012, Dart acquired Illinois-based Solo Cup Company and now has approximately 15,000 employees and more than 45 production, distribution center, and office locations in eight countries.