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Showing 1 to 12 of 15 entries
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Magnetic moments of excited states in the stable chromium isotopes.

Physical review. C, Nuclear physics

Benczer-Koller N, Jan W, Kumbartzki G, Li XL, Liu H, Pakou A, Tanczyn R, Turner D, Zamick aL.
PMID: 9954322
Phys Rev C Nucl Phys. 1987 Nov;36(5):2088-2094. doi: 10.1103/physrevc.36.2088.

No abstract available.

Volatile loss following cooling and accretion of the Moon revealed by chromium isotopes.

Proceedings of the National Academy of Sciences of the United States of America

Sossi PA, Moynier F, van Zuilen K.
PMID: 30297398
Proc Natl Acad Sci U S A. 2018 Oct 23;115(43):10920-10925. doi: 10.1073/pnas.1809060115. Epub 2018 Oct 08.

Terrestrial and lunar rocks share chemical and isotopic similarities in refractory elements, suggestive of a common precursor. By contrast, the marked depletion of volatile elements in lunar rocks together with their enrichment in heavy isotopes compared with Earth's mantle...

Speciation of chromium by coupled column HPLC-ICP-MS - the effects of interfering ions.

Analytical and bioanalytical chemistry

Pantsar-Kallio M, Manninen PK.
PMID: 15045351
Anal Bioanal Chem. 1996 Jun;355(5):716-8. doi: 10.1007/s0021663550716.

ICP-MS is used as an element selective detector for chromium species in aquatic samples using a coupled columm system consisting of a cation guard column and an anion column. The effects of large concentrations of disturbing ions, like NO(3)(-),...

Application of pressure scanning to the tuning of a high resolution dye laser.

Applied optics

Flach R, Shahin IS, Yen WM.
PMID: 20134634
Appl Opt. 1974 Sep 01;13(9):2095-9. doi: 10.1364/AO.13.002095.

Advantages of pressure scanning over other methods of tuning the wavelength of dye lasers are discussed. The construction of a pressure scanned high resolution dye laser is described. The laser has a scan range of more than 40 cm(-1)...

Precise measurement of chromium isotopes by MC-ICPMS.

Journal of analytical atomic spectrometry

Schiller M, Van Kooten E, Holst JC, Olsen MB, Bizzarro M.
PMID: 25071300
J Anal At Spectrom. 2014 Aug 01;29(8):1406-1416. doi: 10.1039/C4JA00018H.

We report novel analytical procedures allowing for the concurrent determination of the stable and mass-independent Cr isotopic composition of silicate materials by multiple collector inductively coupled mass spectrometry (MC-ICPMS). In particular, we focus on improved precision of the measurement...

Precision Mass Measurements of ^{58-63}Cr: Nuclear Collectivity Towards the N=40 Island of Inversion.

Physical review letters

Mougeot M, Atanasov D, Blaum K, Chrysalidis K, Goodacre TD, Fedorov D, Fedosseev V, George S, Herfurth F, Holt JD, Lunney D, Manea V, Marsh B, Neidherr D, Rosenbusch M, Rothe S, Schweikhard L, Schwenk A, Seiffert C, Simonis J, Stroberg SR, Welker A, Wienholtz F, Wolf RN, Zuber K.
PMID: 29932682
Phys Rev Lett. 2018 Jun 08;120(23):232501. doi: 10.1103/PhysRevLett.120.232501.

The neutron-rich isotopes ^{58-63}Cr were produced for the first time at the ISOLDE facility and their masses were measured with the ISOLTRAP spectrometer. The new values are up to 300 times more precise than those in the literature and...

Trivalent chromium isotopes in the eastern tropical North Pacific oxygen-deficient zone.

Proceedings of the National Academy of Sciences of the United States of America

Huang T, Moos SB, Boyle EA.
PMID: 33602803
Proc Natl Acad Sci U S A. 2021 Feb 23;118(8). doi: 10.1073/pnas.1918605118.

Changes in chromium (Cr) isotope ratios due to fractionation between trivalent [Cr(III)] and hexavalent [Cr(VI)] are being utilized by geologists to infer oxygen conditions in past environments. However, there is little information available on Cr in the modern ocean...

Ab Initio Limits of Atomic Nuclei.

Physical review letters

Stroberg SR, Holt JD, Schwenk A, Simonis J.
PMID: 33512176
Phys Rev Lett. 2021 Jan 15;126(2):022501. doi: 10.1103/PhysRevLett.126.022501.

We predict the limits of existence of atomic nuclei, the proton and neutron drip lines, from the light through medium-mass regions. Starting from a chiral two- and three-nucleon interaction with good saturation properties, we use the valence-space in-medium similarity...

Determination of the s-wave scattering length of chromium.

Physical review letters

Schmidt PO, Hensler S, Werner J, Griesmaier A, Görlitz A, Pfau T, Simoni A.
PMID: 14611578
Phys Rev Lett. 2003 Nov 07;91(19):193201. doi: 10.1103/PhysRevLett.91.193201. Epub 2003 Nov 03.

We have measured the deca-triplet s-wave scattering length of the bosonic chromium isotopes 52Cr and 50Cr. From the time constants for cross-dimensional thermalization in ultracold atomic samples, we have determined the magnitudes |a(52Cr)|=(170+/-39)a(0) and |a(50Cr)|=(40+/-15)a(0), where a(0)=0.053 nm. By...

Absolute Isotopic Abundance Ratios and the Atomic Weight of a Reference Sample of Chromium.

Journal of research of the National Bureau of Standards. Section A, Physics and chemistry

Shields WR, Murphy TJ, Catanzaro EJ, Garner EL.
PMID: 31823989
J Res Natl Bur Stand A Phys Chem. 1966 Mar-Apr;70(2):193-197. doi: 10.6028/jres.070A.016.

Absolute values have been obtained for the isotopic abundance ratios of a reference sample of chromium, using surface emission mass spectrometry. Samples of known isotopic composition, prepared from nearly pure separated chromium isotopes, were used to calibrate the mass...

Cadmium isotopes in Bahamas platform carbonates: A base for reconstruction of past surface water bioproductivity and their link with chromium isotopes.

The Science of the total environment

Frederiksen JA, Klaebe RM, Farkaš J, Swart PK, Frei R.
PMID: 34582867
Sci Total Environ. 2022 Feb 01;806:150565. doi: 10.1016/j.scitotenv.2021.150565. Epub 2021 Sep 25.

The distribution of cadmium (Cd) within the oceans strongly suggests that it is used as a nutrient by marine phytoplankton. Biologically induced removal of Cd from modern surface waters is accompanied by an isotopic fractionation leaving surface-waters enriched in...

Origin of hexavalent chromium in groundwater: The example of Sarigkiol Basin, Northern Greece.

The Science of the total environment

Kazakis N, Kantiranis N, Kalaitzidou K, Kaprara E, Mitrakas M, Frei R, Vargemezis G, Tsourlos P, Zouboulis A, Filippidis A.
PMID: 28360005
Sci Total Environ. 2017 Sep 01;593:552-566. doi: 10.1016/j.scitotenv.2017.03.128. Epub 2017 Mar 28.

Hexavalent chromium constitutes a serious deterioration factor for the groundwater quality of several regions around the world. High concentrations of this contaminant have been also reported in the groundwater of the Sarigkiol hydrological basin (near Kozani city, NW Greece)....

Showing 1 to 12 of 15 entries