Izotopii bromului

Izotopii bromului sunt reprezentați în tabelul următor:

Izotop	Z (p)	N (n)	Masă izotopică (u.a.m)	$\mathrm {T_{\frac {1}{2}}}$	Tipul dezintegrării^[1]^{[n 1]}	Izotop descendent^{[n 2]}	Spin nuclear	Abundență izotopică (fracție molară)	Abundență naturală (fracție molară)
Izotop	Energie de dezintegrare			$\mathrm {T_{\frac {1}{2}}}$	Tipul dezintegrării^[1]^{[n 1]}	Izotop descendent^{[n 2]}	Spin nuclear	Abundență izotopică (fracție molară)	Abundență naturală (fracție molară)
⁶⁶Br	35	31			p	⁶⁵Se
⁶⁷Br	35	32	66,96479(54)#		p	⁶⁶Se	1/2-#
⁶⁸Br	35	33	67,95852(38)#	<1,2 µs	p	⁶⁷Se	3+#
⁶⁹Br	35	34	68,95011(11)#	<24 ns	p	⁶⁸Se	1/2-#
⁷⁰Br	35	35	69,94479(33)#	79,1(8) ms	β⁺	⁷⁰Se	0+#
^70mBr	2292,2(8) keV			2,2(2) s	β⁺	⁷⁰Se	(9+)
^70mBr	2292,2(8) keV			2,2(2) s	IT	⁷⁰Br	(9+)
⁷¹Br	35	36	70,93874(61)	21,4(6) s	β⁺	⁷¹Se	(5/2)-
⁷²Br	35	37	71,93664(6)	78,6(24) s	β⁺	⁷²Se	1+
^72mBr	100,92(3) keV			10.6(3) s	IT (>99.9%)	⁷²Br	1-
^72mBr	100,92(3) keV			10.6(3) s	β⁺ (<.1%)	⁷²Se	1-
⁷³Br	35	38	72,.93169(5)	3,4(2) min	β⁺	⁷³Se	1/2-
⁷⁴Br	35	39	73,929891(16)	25,4(3) min	β⁺	⁷⁴Se	(0-)
^74mBr	13,58(21) keV			46(2) min	β⁺	⁷⁴Se	4(+#)
⁷⁵Br	35	40	74,925776(15)	96,7(13) min	β⁺	⁷⁵Se	3/2-
⁷⁶Br	35	41	75,924541(10)	16,2(2) h	β⁺	⁷⁶Se	1-
^76mBr	102,58(3) keV			1.31(2) s	IT (99.4%)	⁷⁶Br	(4)+
^76mBr	102,58(3) keV			1.31(2) s	β⁺ (.6%)	⁷⁶Se	(4)+
⁷⁷Br	35	42	76,921379(3)	57,036(6) h	β⁺	⁷⁷Se	3/2-
^77mBr	105,86(8) keV			4,28(10) min	IT	⁷⁷Br	9/2+
⁷⁸Br	35	43	77,921146(4)	6,46(4) min	β⁺ (99,99%)	⁷⁸Se	1+
⁷⁸Br	35	43	77,921146(4)	6,46(4) min	β^- (0.01%)	⁷⁸Kr	1+
^78mBr	180,82(13) keV			119,2(10) µs			(4+)
⁷⁹Br	35	44	78,9183371(22)	Stabil			3/2-	0.5069(7)
^79mBr	207,61(9) keV			4,86(4) s	IT	⁷⁹Br	(9/2+)
⁸⁰Br	35	45	79,9185293(22)	17,68(2) min	β^- (91.7%)	⁸⁰Kr	1+
⁸⁰Br	35	45	79,9185293(22)	17,68(2) min	β⁺ (8.3%)	⁸⁰Se	1+
^80mBr	85,843(4) keV			4,4205(8) h	IT	⁸⁰Br	5-
⁸¹Br	35	46	80,9162906(21)	Stabili			3/2-	0,4931(7)
^81mBr	536,20(9) keV			34,6(28) µs			9/2+
⁸²Br	35	47	81,9168041(21)	35,282(7) h	β^-	⁸²Kr	5-
^82mBr	45,9492(10) keV			6,13(5) min	IT	⁸²Br	2-
^82mBr	45,9492(10) keV			6,13(5) min	β^-	⁸²Kr	2-
⁸³Br	35	48	82,915180(5)	2,40(2) h	β^-	⁸³Kr	3/2-
^83mBr	3068,8(6) keV			700(100) ns			(19/2-)
⁸⁴Br	35	49	83,916479(16)	31,80(8) min	β^-	⁸⁴Kr	2-
^84m1Br	320(10) keV			6,0(2) min	β^-	⁸⁴Kr	6-
^84m2Br	408,2(4) keV			<140 ns			1+
⁸⁵Br	35	50	84,915608(21)	2,90(6) min	β^-	⁸⁵Kr	3/2-
⁸⁶Br	35	51	85,918798(12)	55,1(4) s	β^-	⁸⁶Kr	(2-)
⁸⁷Br	35	52	86,920711(19)	55,65(13) s	β^- (97,48%)	⁸⁷Kr	3/2-
⁸⁷Br	35	52	86,920711(19)	55,65(13) s	β^-, n (2,52%)	⁸⁶Kr	3/2-
⁸⁸Br	35	53	87,92407(4)	16,29(6) s	β^- (93,42%)	⁸⁸Kr	(2-)
⁸⁸Br	35	53	87,92407(4)	16,29(6) s	β^-, n (6,48%)	⁸⁷Kr	(2-)
^88mBr	272,7(3) keV			5,4(7) µs
⁸⁹Br	35	54	88,92639(6)	4,40(3) s	β^- (86,2%)	⁸⁹Kr	(3/2-,5/2-)
⁸⁹Br	35	54	88,92639(6)	4,40(3) s	β^-, n (13,8%)	⁸⁸Kr	(3/2-,5/2-)
⁹⁰Br	35	55	89,93063(8)	1,91(1) s	β^- (74,8%)	⁹⁰Kr
⁹⁰Br	35	55	89,93063(8)	1,91(1) s	β^-, n (25,2%)	⁸⁹Kr
⁹¹Br	35	56	90,93397(8)	541(5) ms	β^- (80%)	⁹¹Kr	3/2-#
⁹¹Br	35	56	90,93397(8)	541(5) ms	β^-, n (20%)	⁹⁰Kr	3/2-#
⁹²Br	35	57	91,93926(5)	0,343(15) s	β^- (66,9%)	⁹²Kr	(2-)
⁹²Br	35	57	91,93926(5)	0,343(15) s	β^-, n (33,1%)	⁹¹Kr	(2-)
⁹³Br	35	58	92,94305(32)#	102(10) ms	β^- (89%)	⁹³Kr	3/2-#
⁹³Br	35	58	92,94305(32)#	102(10) ms	β^-, n (11%)	⁹²Kr	3/2-#
⁹⁴Br	35	59	93,94868(43)#	70(20) ms	β^- (70%)	⁹⁴Kr
⁹⁴Br	35	59	93,94868(43)#	70(20) ms	β^-, n (30%)	⁹³Kr
⁹⁵Br	35	60	94,95287(54)#	50# ms [>300 ns]			3/2-#
⁹⁶Br	35	61	95,95853(75)#	20# ms [>300 ns]
⁹⁷Br	35	62	96,96280(86)#	10# ms [>300 ns]			3/2-#

Bibliografie

V. Vasilescu (coordonator) Biofizică medicală, EDP 1977 anexa 8, p 309-315
http://en.wikipedia.org/wiki/Isotopes_of_bromine

Referințe

[1]

[n 1]

[n 2]