EducationWorld News S.P.L. Sorensen PH Scale has been featured in Google’s Doodle by Azad Hind News on May 29, 2018 share 0 S.P.L. Sorensen PH Scale featured in Google's Doodle On Tuesday, Google celebrates the scale's creator, S.P.L. Sorensen. The Danish chemist was born in Havrebjerg, Denmark, on Jan. 9, 1868. He became the head read more
