What year did Beckman invent the pH meter?
1930
1925
1934
1940
Answer
In 1934, Arnold O. Beckman, an American chemist, revolutionized the field of chemistry with his groundbreaking invention, the pH meter. This compact device enabled the precise measurement of acidity or alkalinity of a solution, a crucial parameter in numerous scientific and industrial applications. Beckman's innovation simplified and accelerated pH determination, contributing significantly to scientific advancements in diverse disciplines, including chemistry, biology, and environmental science.
Master Mind: Unraveling the Genius of Arnold Beckman
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