Arnold Beckman was an American chemist and inventor who built the first practical pH meter in 1934 to help a citrus industry colleague measure the acidity of lemon juice, then founded the instrument company that became Beckman Instruments. His company's DU spectrophotometer, introduced in 1941, made accurate ultraviolet-visible light measurement a routine laboratory procedure and became the standard instrument of its kind for decades.
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Birth YearSourced to the subject's own account FieldSourced to the subject's own accountChemistry, scientific instrumentation 1 Arnold Beckman
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Invented
Patented the pH meter, originally called an acidimeter, in October 1934, then founded the company that became Beckman Instruments to sell it.
Source Arnold Beckman (Wikipedia)
The Beckman DU spectrophotometer, introduced in 1941, set the standard design for the instrument class.
Source Arnold Beckman (Wikipedia)
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Source Arnold Beckman (Wikipedia)
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1. Arnold Beckman (Wikipedia)
WikipediaLead section
Arnold Orville Beckman (April 10, 1900, May 18, 2004) was an American chemist, inventor, investor, and philanthropist.
- Works In: Chemistry
- Invented: pH Meter
- Invented: Spectrophotometer
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