426:
The representative terrestrial abundance of chlorine-37 is 24.22(4)% of chlorine atoms, with a normal range of 24.14–24.36% of chlorine atoms. When measuring deviations in isotopic composition, the usual reference point is "Standard Mean Ocean
Chloride" (SMOC), although a
437:
There is a known variation in the isotopic abundance of chlorine-37. This heavier isotope tends to be more prevalent in chloride minerals than in aqueous solutions such as sea water, although the isotopic composition of
398:
of specific energies. The detection of these electrons confirms that a neutrino event took place. Detection methods involve several hundred thousand liters of
730:
659:
615:
549:
716:
531:
434:(975a) also exists. SMOC is known to be around 24.219% chlorine-37 and to have an atomic weight of around 35.4525.
823:
189:. Chlorine-37 accounts for 24.23% of natural chlorine, chlorine-35 accounting for 75.77%, giving chlorine
431:
790:
755:
603:
490:
747:
439:
607:
651:
689:
563:
470:
399:
213:
201:
114:
8:
554:
407:
693:
567:
596:
460:
443:
678:
A.H. Snell, F. Pleasonton (1955). "Spectrometry of the
Neutrino Recoils of Argon-37".
575:
726:
655:
644:
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611:
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219:
118:
91:
84:
30:
799:
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697:
571:
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311:
223:
40:
680:
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174:
148:
67:
817:
701:
512:
107:
50:
804:
768:
625:
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can vary in either direction from the SMOC standard in the range of several
503:
101:
491:"Standard atomic weights of the elements 2021 (IUPAC Technical Report)"
455:
204:) using a radiochemical method based on chlorine-37 transmutation.
182:
152:
218:
One of the historically important radiochemical methods of solar
186:
178:
488:
200:
Remarkably, solar neutrinos were discovered by an experiment (
714:
428:
190:
314:(half-life = 35 d) into chlorine-37 via the reaction
677:
230:. Chlorine-37 transmutes into argon-37 via the reaction
646:
The
Physical Universe: An Introduction to Astronomy
643:
595:
815:
497:, vol. 94, no. 5, pp. 573–600,
786:"Atomic Weights of the Elements: Review 2000"
748:"Isotopic Compositions of the Elements 1997"
745:
547:
489:Prohaska, Thomas; et al. (2022-05-25),
746:Rosman, K. J. R.; Taylor, P. D. P. (1998),
803:
783:
779:
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502:
641:
589:
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585:
543:
541:
816:
784:de Laeter, J. R.; et al. (2003),
774:
593:
582:
207:
193:in bulk an apparent atomic weight of
715:A. Bhatnagar, W. Livingston (2005).
650:. University Science Books. p.
538:
310:Argon-37 then de-excites itself via
739:
13:
226:triggered by the absorption of an
14:
835:
576:10.1038/scientificamerican0769-28
418:) stored in underground tanks.
155:, the other being chlorine-35 (
718:Fundamental of Solar Astronomy
708:
671:
635:
482:
1:
530:: CS1 maint: date and year (
476:
421:
394:These last reactions involve
7:
449:
432:Standard Reference Material
10:
840:
791:Pure and Applied Chemistry
756:Pure and Applied Chemistry
604:Cambridge University Press
594:Sutton, Christine (1992).
495:Pure and Applied Chemistry
211:
119:Complete table of nuclides
113:
100:
90:
83:
66:
49:
39:
29:
24:
702:10.1103/PhysRev.100.1396
550:"Neutrinos from the Sun"
440:organochlorine compounds
45:chlorine-37, 37Cl, Cl-37
805:10.1351/pac200375060683
769:10.1351/pac199870010217
666:chlorine 37 neutrino.
630:chlorine-37 neutrino.
548:J.N. Bahcall (1969).
504:10.1515/pac-2019-0603
824:Isotopes of chlorine
471:Isotopes of chlorine
400:carbon tetrachloride
222:is based on inverse
214:Homestake experiment
202:Homestake Experiment
115:Isotopes of chlorine
20:Chlorine-37, Cl
694:1955PhRv..100.1396S
568:1969SciAm.221a..28B
555:Scientific American
408:tetrachloroethylene
195:35.45(1) g/mol
21:
16:Isotope of chlorine
725:. pp. 87–89.
598:Spaceship Neutrino
461:Neutrino detection
444:parts per thousand
220:neutrino detection
208:Neutrino detection
185:for a total of 37
19:
732:978-981-238-244-3
661:978-0-935702-05-7
642:F.H. Shu (1982).
617:978-0-521-36404-1
228:electron neutrino
147:), is one of the
124:
123:
92:Natural abundance
831:
809:
808:
807:
781:
772:
771:
752:
743:
737:
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723:World Scientific
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706:
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688:(5): 1396–1403.
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312:electron capture
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224:electron capture
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18:
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681:Physical Review
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618:
592:
583:
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523:
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517:
515:
487:
483:
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466:Isotopic tracer
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396:Auger electrons
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149:stable isotopes
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130:
117:
70:
53:
17:
12:
11:
5:
837:
827:
826:
811:
810:
798:(6): 683–800,
773:
738:
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707:
670:
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634:
616:
581:
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212:Main article:
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27:
26:
15:
9:
6:
4:
3:
2:
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825:
822:
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806:
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797:
793:
792:
787:
780:
778:
770:
766:
763:(1): 217–35,
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703:
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34:
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28:
23:
795:
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741:
717:
710:
685:
679:
673:
665:
645:
637:
629:
597:
562:(1): 28–37.
559:
553:
516:, retrieved
494:
484:
436:
425:
393:
309:
217:
199:
177:contains 17
126:
125:
102:Isotope mass
85:Nuclide data
72:
55:
606:. pp.
127:Chlorine-37
518:2024-06-07
477:References
456:Beta decay
422:Occurrence
106:36.965903
513:0033-4545
818:Category
626:25246163
526:citation
450:See also
187:nucleons
183:neutrons
153:chlorine
68:Neutrons
690:Bibcode
564:Bibcode
181:and 20
179:protons
175:nucleus
173:). Its
51:Protons
25:General
729:
658:
624:
614:
610:–152.
511:
380:ν
260:ν
96:24.23%
31:Symbol
751:(PDF)
406:) or
191:atoms
41:Names
727:ISBN
656:ISBN
622:OCLC
612:ISBN
532:link
509:ISSN
429:NIST
402:(CCl
800:doi
765:doi
698:doi
686:100
652:122
608:151
572:doi
560:221
499:doi
151:of
820::
796:75
794:,
788:,
776:^
761:70
759:,
753:,
721:.
696:.
684:.
664:.
654:.
628:.
620:.
602:.
584:^
570:.
558:.
552:.
540:^
528:}}
524:{{
507:,
493:,
446:.
414:Cl
410:(C
371:+
362:Cl
353:→
335:+
326:Ar
288:+
279:Ar
270:→
251:+
242:Cl
197:.
164:Cl
138:Cl
108:Da
79:20
62:17
35:Cl
802::
767::
735:.
704:.
700::
692::
578:.
574::
566::
534:)
501::
416:4
412:2
404:4
390:.
385:e
344:e
306:.
297:e
265:e
129:(
75:)
73:N
71:(
58:)
56:Z
54:(
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