Kalsium-43

⁴¹₁₉K	⁴²₂₀Ca
	$\nwarrow$ $\uparrow$ $\nearrow$
⁴²₁₉K	$\leftarrow$ ⁴³₂₀Ca $\rightarrow$
	$\swarrow$ $\downarrow$ $\searrow$
	⁴⁴₂₀Ca	⁴⁵₂₁Sc

Lys van isotope

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KMR

Kalsium-43 kan vir resonansie gebruik word, maar dit het kernspin I=7/2 en 'n kwadrupool. Die resonansie kan nogtans taamlik smal wees. Die chemiese verskuiwing is egter taamlik klein en omdat dit 'n seldsame isotoop is, moet dikwels verryking aangewend word, wat duur is. Dit word soms in relaksasiestudies van binding van kalsium-ione aan proteïene gebruik.[2]

Die aanwending in vastestof-KMR is nog in ontwikkeling, maar daar is kennis van die tensorelemente van die chemiese verskuiwing en kalsium se omringing is in 12 verbindings suksesvol gewys.[3]

Verwysings

The NUBASE evaluation of nuclear and decay properties G. Audi, O. Bersillon, J. Blachot, A.H. Wapstra IUPAC
Hebreeuse Universiteit van Jerusalem
Calcium-43 chemical shift and electric field gradient tensor interplay: a sensitive probe of structure, polymorphism, and hydration Cory M. Widdifield, Igor Moudrakovskiac en David L. Bryce Physical Chemistry Chemical Physics 26, 2014

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[nndc-1] The NUBASE evaluation of nuclear and decay properties G. Audi, O. Bersillon, J. Blachot, A.H. Wapstra IUPAC

[2] Hebreeuse Universiteit van Jerusalem

[3] Calcium-43 chemical shift and electric field gradient tensor interplay: a sensitive probe of structure, polymorphism, and hydration Cory M. Widdifield, Igor Moudrakovskiac en David L. Bryce Physical Chemistry Chemical Physics 26, 2014