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dalton

1 substantive

Terminological databases

EKI terminibaas Esterm

ID 704573 Last modified 30.12.2004
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Domain Chemistry
dalton
atomic mass unit
amu
  • exactly one twelfth the mass of a neutral atom of the most abundant isotope of carbon
aatommassiühik
Usage examples
  • Tsüklopentenüültsükli lõhustumisel võivad mõlemad molaarmassid suureneda 18 aatommassiühiku võrra ...
dalton
Usage examples
  • ... Decision 1999/129/EC extends the list of exempted products to the "hydrolysed proteins with a molecular weight below 10000 daltons derived from animal hides and skins", produced under certain conditions ...
atomic mass unit
amu abbreviation

Metroloogia terminibaas

ID 572554 Last modified 19.09.2026
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Domain metrologyunits of measurement
dalton
Da
dalton
Da
  • SI ühikutest sõltumatult määratletud massi ühiku aatommass nimetus/tähis
  • name/symbol of the unified atomic mass unit for mass
dalton
Good to know
  • Seni kasutusel olnud massi mõõtühik aatommass tähisega u on ümber nimetatud daltoniks tähisega Da.
Da symbol
Usage examples
  • 1 Da = 1 u = 1,660 538 782 (83)×10-27kg.
dalton
Good to know
  • 1 dalton is equal to 1/12 times the mass of a free carbon C atom, at rest and its ground state.
Da symbol
Usage examples
  • 1 Da = 1 u = 1,660 538 782 (83)×10-27kg.

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