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.
Halibut tend to be a mottled dark brown on their upward-facing side and white on their downside. The Pacific halibut is the world's largest flatfish. The IGFA record was apparently broken off the waters of Norway in July 2013 by a 515-pound 8.6 foot fish. This is awaiting certification as of 2013. In July 2014, 76-year-old Jack McGuire caught a 482-pound Pacific halibut in Glacier Bay, Alaska (this is, however, discounted from records because it was shot to prevent injury to those on the boat).