What was used before the pH scale?
Until Sorensen introduced the pH scale, acidity or basicity was determined using a device known as a galvanometer, an overly complex and delicate instrument for measuring small electric currents. He sought a simpler way to assess hydrogen concentration.Apr 25, 2022
Until Sorensen introduced the pH scale, acidity or basicity was determined using a device known as a galvanometer, an overly complex and delicate instrument for measuring small electric currents. He sought a simpler way to assess hydrogen concentration.Apr 25, 2022
