Today on Google's home page is a fun interactive pH scale, a scale for measuring acidity and alkalinity, remembering S.P.L. SÃ'rensen. He was a Danish chemist born on January 9, 1868 in Havrebjerg, Denmark and died at the age of 71 on February 12, 1939 in Copenhagen......
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S.P.L. Sørensen Google Logo For pH Scale
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