Wikipedia biography of Arnold O. Beckman, the chemist and instrument maker who built the first practical pH meter in 1934 and founded Beckman Instruments to sell it.
Facts
PublisherWikipedia
URLhttps://en.wikipedia.org/wiki/Arnold_Beckman
Source Typereference
Reliability Tier3
Sources
Arnold Beckman (Wikipedia)
Claims Backed By This Source (18 claims)
This source backs 18 claims across the atlas. As facts: 11 well-attested. As cited relationships: 3 holds, 1 connected. Plus 3 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Scientists, 9 claims: 4 well-attested, 3 holds, 1 connected, 1 general references.
- Sources, 5 claims: 5 well-attested.
- Instruments, 4 claims: 2 well-attested, 2 general references.
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