Cesium 133 7440-46-2

Caesium or cesium is a chemical element with symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal with a melting point of 28.5 °C

SKU: 145kg 分类： Rare Metal 标签： Cesium 133

Cesium 133 7440-46-2 99,99%-99,9983%

The goods: Caesium (Cs133) stable, especially pure, from 99,99% to 99,9983%
Quantity: to 145 kg
Chemical characteristics:
– cleanliness degree: 99,99 %
– mass fraction Na: <0,003 %
– mass fraction Rb: <0,005 %
– mass fraction K: <0,008 %
– Actually, totally (K, NA, Rb) <0,0017 %

Conformity to the Russian standards: TU 1717-056-00194530-96

nuclide symbol	Z(p)	N(n)	isotopic mass (u)	half-life	decay mode(s)^[9]^{[n 1]}	daughter isotope(s)^{[n 2]}	nuclear spin	representative isotopic composition (mole fraction)	range of natural variation (mole fraction)
nuclide symbol	excitation energy			half-life	decay mode(s)^[9]^{[n 1]}	daughter isotope(s)^{[n 2]}	nuclear spin	representative isotopic composition (mole fraction)	range of natural variation (mole fraction)
¹¹²Cs	55	57	111.95030(33)#	500(100) µs	p	¹¹¹Xe	1+#
¹¹²Cs	55	57	111.95030(33)#	500(100) µs	α	¹⁰⁸I	1+#
¹¹³Cs	55	58	112.94449(11)	16.7(7) µs	p (99.97%)	¹¹²Xe	5/2+#
¹¹³Cs	55	58	112.94449(11)	16.7(7) µs	β⁺ (.03%)	¹¹³Xe	5/2+#
¹¹⁴Cs	55	59	113.94145(33)#	0.57(2) s	β⁺ (91.09%)	¹¹⁴Xe	(1+)
					β⁺, p (8.69%)	¹¹³I
					β⁺, α (.19%)	¹¹⁰Te
					α (.018%)	¹¹⁰I
¹¹⁵Cs	55	60	114.93591(32)#	1.4(8) s	β⁺ (99.93%)	¹¹⁵Xe	9/2+#
¹¹⁵Cs	55	60	114.93591(32)#	1.4(8) s	β⁺, p (.07%)	¹¹⁴I	9/2+#
¹¹⁶Cs	55	61	115.93337(11)#	0.70(4) s	β⁺ (99.67%)	¹¹⁶Xe	(1+)
					β⁺, p (.279%)	¹¹⁵I
					β⁺, α (.049%)	¹¹²Te
^116mCs	100(60)# keV			3.85(13) s	β⁺ (99.48%)	¹¹⁶Xe	4+,5,6
					β⁺, p (.51%)	¹¹⁵I
					β⁺, α (.008%)	¹¹²Te
¹¹⁷Cs	55	62	116.92867(7)	8.4(6) s	β⁺	¹¹⁷Xe	(9/2+)#
^117mCs	150(80)# keV			6.5(4) s	β⁺	¹¹⁷Xe	3/2+#
¹¹⁸Cs	55	63	117.926559(14)	14(2) s	β⁺ (99.95%)	¹¹⁸Xe	2
					β⁺, p (.042%)	¹¹⁷I
					β⁺, α (.0024%)	¹¹⁴Te
^118mCs	100(60)# keV			17(3) s	β⁺ (99.95%)	¹¹⁸Xe	(7−)
					β⁺, p (.042%)	¹¹⁷I
					β⁺, α (.0024%)	¹¹⁴Te
¹¹⁹Cs	55	64	118.922377(15)	43.0(2) s	β⁺	¹¹⁹Xe	9/2+
¹¹⁹Cs	55	64	118.922377(15)	43.0(2) s	β⁺, α (2×10⁻⁶%)	¹¹⁵Te	9/2+
^119mCs	50(30)# keV			30.4(1) s	β⁺	¹¹⁹Xe	3/2(+)
¹²⁰Cs	55	65	119.920677(11)	61.2(18) s	β⁺	¹²⁰Xe	2(−#)
					β⁺, α (2×10⁻⁵%)	¹¹⁶Te
					β⁺, p (7×10⁻⁶%)	¹¹⁸I
^120mCs	100(60)# keV			57(6) s	β⁺	¹²⁰Xe	(7−)
					β⁺, α (2×10⁻⁵%)	¹¹⁶Te
					β⁺, p (7×10⁻⁶%)	¹¹⁸I
¹²¹Cs	55	66	120.917229(15)	155(4) s	β⁺	¹²¹Xe	3/2(+)
^121mCs	68.5(3) keV			122(3) s	β⁺ (83%)	¹²¹Xe	9/2(+)
^121mCs	68.5(3) keV			122(3) s	IT (17%)	¹²¹Cs	9/2(+)
¹²²Cs	55	67	121.91611(3)	21.18(19) s	β⁺	¹²²Xe	1+
¹²²Cs	55	67	121.91611(3)	21.18(19) s	β⁺, α (2×10⁻⁷%)	¹¹⁸Te	1+
^122m1Cs	45.8 keV			>1 µs			(3)+
^122m2Cs	140(30) keV			3.70(11) min	β⁺	¹²²Xe	8−
^122m3Cs	127.0(5) keV			360(20) ms			(5)−
¹²³Cs	55	68	122.912996(13)	5.88(3) min	β⁺	¹²³Xe	1/2+
^123m1Cs	156.27(5) keV			1.64(12) s	IT	¹²³Cs	(11/2)−
^123m2Cs	231.63+X keV			114(5) ns			(9/2+)
¹²⁴Cs	55	69	123.912258(9)	30.9(4) s	β⁺	¹²⁴Xe	1+
^124mCs	462.55(17) keV			6.3(2) s	IT	¹²⁴Cs	(7)+
¹²⁵Cs	55	70	124.909728(8)	46.7(1) min	β⁺	¹²⁵Xe	1/2(+)
^125mCs	266.6(11) keV			900(30) ms			(11/2−)
¹²⁶Cs	55	71	125.909452(13)	1.64(2) min	β⁺	¹²⁶Xe	1+
^126m1Cs	273.0(7) keV			>1 µs
^126m2Cs	596.1(11) keV			171(14) µs
¹²⁷Cs	55	72	126.907418(6)	6.25(10) h	β⁺	¹²⁷Xe	1/2+
^127mCs	452.23(21) keV			55(3) µs			(11/2)−
¹²⁸Cs	55	73	127.907749(6)	3.640(14) min	β⁺	¹²⁸Xe	1+
¹²⁹Cs	55	74	128.906064(5)	32.06(6) h	β⁺	¹²⁹Xe	1/2+
¹³⁰Cs	55	75	129.906709(9)	29.21(4) min	β⁺ (98.4%)	¹³⁰Xe	1+
¹³⁰Cs	55	75	129.906709(9)	29.21(4) min	β⁻ (1.6%)	¹³⁰Ba	1+
^130mCs	163.25(11) keV			3.46(6) min	IT (99.83%)	¹³⁰Cs	5−
^130mCs	163.25(11) keV			3.46(6) min	β⁺ (.16%)	¹³⁰Xe	5−
¹³¹Cs	55	76	130.905464(5)	9.689(16) d	EC	¹³¹Xe	5/2+
¹³²Cs	55	77	131.9064343(20)	6.480(6) d	β⁺ (98.13%)	¹³²Xe	2+
¹³²Cs	55	77	131.9064343(20)	6.480(6) d	β⁻ (1.87%)	¹³²Ba	2+
¹³³Cs^{[n 3]}^{[n 4]}	55	78	132.905451933(24)	Stable^{[n 5]}			7/2+	1.0000
¹³⁴Cs^{[n 4]}	55	79	133.906718475(28)	2.0652(4) y	β⁻	¹³⁴Ba	4+
¹³⁴Cs^{[n 4]}	55	79	133.906718475(28)	2.0652(4) y	EC (3×10⁻⁴%)	¹³⁴Xe	4+
^134mCs	138.7441(26) keV			2.912(2) h	IT	¹³⁴Cs	8−
¹³⁵Cs^{[n 4]}	55	80	134.9059770(11)	2.3 x10⁶ y	β⁻	¹³⁵Ba	7/2+
^135mCs	1632.9(15) keV			53(2) min	IT	¹³⁵Cs	19/2−
¹³⁶Cs	55	81	135.9073116(20)	13.16(3) d	β⁻	¹³⁶Ba	5+
^136mCs	518(5) keV			19(2) s	β⁻	¹³⁶Ba	8−
^136mCs	518(5) keV			19(2) s	IT	¹³⁶Cs	8−
¹³⁷Cs^{[n 4]}	55	82	136.9070895(5)	30.1671(13) y	β⁻ (95%)	^137mBa	7/2+
¹³⁷Cs^{[n 4]}	55	82	136.9070895(5)	30.1671(13) y	β⁻ (5%)	¹³⁷Ba	7/2+
¹³⁸Cs	55	83	137.911017(10)	33.41(18) min	β⁻	¹³⁸Ba	3−
^138mCs	79.9(3) keV			2.91(8) min	IT (81%)	¹³⁸Cs	6−
^138mCs	79.9(3) keV			2.91(8) min	β⁻ (19%)	¹³⁸Ba	6−
¹³⁹Cs	55	84	138.913364(3)	9.27(5) min	β⁻	¹³⁹Ba	7/2+
¹⁴⁰Cs	55	85	139.917282(9)	63.7(3) s	β⁻	¹⁴⁰Ba	1−
¹⁴¹Cs	55	86	140.920046(11)	24.84(16) s	β⁻ (99.96%)	¹⁴¹Ba	7/2+
¹⁴¹Cs	55	86	140.920046(11)	24.84(16) s	β⁻, n (.0349%)	¹⁴⁰Ba	7/2+
¹⁴²Cs	55	87	141.924299(11)	1.689(11) s	β⁻ (99.9%)	¹⁴²Ba	0−
¹⁴²Cs	55	87	141.924299(11)	1.689(11) s	β⁻, n (.091%)	¹⁴¹Ba	0−
¹⁴³Cs	55	88	142.927352(25)	1.791(7) s	β⁻ (98.38%)	¹⁴³Ba	3/2+
¹⁴³Cs	55	88	142.927352(25)	1.791(7) s	β⁻, n (1.62%)	¹⁴²Ba	3/2+
¹⁴⁴Cs	55	89	143.932077(28)	994(4) ms	β⁻ (96.8%)	¹⁴⁴Ba	1(−#)
¹⁴⁴Cs	55	89	143.932077(28)	994(4) ms	β⁻, n (3.2%)	¹⁴³Ba	1(−#)
^144mCs	300(200)# keV			<1 s	β⁻	¹⁴⁴Ba	(>3)
^144mCs	300(200)# keV			<1 s	IT	¹⁴⁴Cs	(>3)
¹⁴⁵Cs	55	90	144.935526(12)	582(6) ms	β⁻ (85.7%)	¹⁴⁵Ba	3/2+
¹⁴⁵Cs	55	90	144.935526(12)	582(6) ms	β⁻, n (14.3%)	¹⁴⁴Ba	3/2+
¹⁴⁶Cs	55	91	145.94029(8)	0.321(2) s	β⁻ (85.8%)	¹⁴⁶Ba	1−
¹⁴⁶Cs	55	91	145.94029(8)	0.321(2) s	β⁻, n (14.2%)	¹⁴⁵Ba	1−
¹⁴⁷Cs	55	92	146.94416(6)	0.235(3) s	β⁻ (71.5%)	¹⁴⁷Ba	(3/2+)
¹⁴⁷Cs	55	92	146.94416(6)	0.235(3) s	β⁻, n (28.49%)	¹⁴⁷Ba	(3/2+)
¹⁴⁸Cs	55	93	147.94922(62)	146(6) ms	β⁻ (74.9%)	¹⁴⁸Ba
¹⁴⁸Cs	55	93	147.94922(62)	146(6) ms	β⁻, n (25.1%)	¹⁴⁷Ba
¹⁴⁹Cs	55	94	148.95293(21)#	150# ms [>50 ms]	β⁻	¹⁴⁹Ba	3/2+#
¹⁴⁹Cs	55	94	148.95293(21)#	150# ms [>50 ms]	β⁻, n	¹⁴⁸Ba	3/2+#
¹⁵⁰Cs	55	95	149.95817(32)#	100# ms [>50 ms]	β⁻	¹⁵⁰Ba
¹⁵⁰Cs	55	95	149.95817(32)#	100# ms [>50 ms]	β⁻, n	¹⁴⁹Ba
¹⁵¹Cs	55	96	150.96219(54)#	60# ms [>50 ms]	β⁻	¹⁵¹Ba	3/2+#
¹⁵¹Cs	55	96	150.96219(54)#	60# ms [>50 ms]	β⁻, n	¹⁵⁰Ba	3/2+#