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.
Creme Puff (August 3, 1967 â August 6, 2005) was a domestic cat, owned by Jake Perry of Austin, Texas. She was the oldest cat ever recorded, according to the 2010 edition of Guinness World Records, when she died aged 38 years and 3 days. Perry had another cat, Granpa, who was claimed to have been born in Paris in 1964 and died in 1998, aged 34 years and 2 months. Granpa was posthumously awarded 1999 Cat of the Year by Cats & Kittens magazine.