Pt
Платина
Z 78 195,084 г/мольПерехідний метал
| 195Pt | 117 | 194,9648 | -32 793,9 | 33,775% | Стабільний | 1/2- | α→191Os | 1935 |
| 194Pt | 116 | 193,9627 | -34 760,1 | 32,864% | Стабільний | 0+ | --- | 1935 |
| 196Pt | 118 | 195,965 | -32 644,5 | 25,211% | Стабільний | 0+ | --- | 1935 |
| 198Pt | 120 | 197,9679 | -29 904,0 | 7,356% | Стабільний | 0+ | β⁻ α→194Os | 1935 |
| 192Pt | 114 | 191,961 | -36 288,5 | 0,782% | Стабільний | 0+ | α→188Os | 1935 |
| 190Pt | 112 | 189,9599 | -37 306,5 | 0,012% | 483,0 Гр | 0+ | α→186Os(100%) β⁺ | 1949 |
| 165Pt | 87 | 164,9997 | -320,0 | --- | 370,0 мкс | (7/2-) | α→161Os(100%) | 2019 |
| 166Pt | 88 | 165,9949 | -4 780,0 | --- | 294,0 мкс | 0+ | α→162Os(100%) | 1996 |
| 167Pt | 89 | 166,9928 | -6 750,0 | --- | 915,0 мкс | (7/2-) | α→163Os(100%) | 1996 |
| 168Pt | 90 | 167,9882 | -11 010,0 | --- | 2,02 мс | 0+ | α→164Os(100%) β⁺→168Ir | 1981 |
| 169Pt | 91 | 168,9866 | -12 460,0 | --- | 6,99 мс | (7/2-) | α→165Os(100%) β⁺→169Ir | 1981 |
| 170Pt | 92 | 169,9825 | -16 299,0 | --- | 13,93 мс | 0+ | α→166Os(100%) β⁺→170Ir | 1981 |
| 171Pt | 93 | 170,9812 | -17 470,0 | --- | 45,5 мс | 7/2- | α→167Os(86%) β⁺→171Ir | 1981 |
| 171mPt | 93 | 170,9817 | -17 060,0 | --- | 901,0 нс | 13/2+ | γ→171Pt(100%) | 2010 |
| 172Pt | 94 | 171,9773 | -21 107,0 | --- | 97,6 мс | 0+ | α→168Os(96%) β⁺→172Ir | 1981 |
| 173Pt | 95 | 172,9764 | -21 940,0 | --- | 382,0 мс | (5/2-) | α→169Os(86%) β⁺→173Ir | 1966 |
| 174Pt | 96 | 173,9728 | -25 318,0 | --- | 862,0 мс | 0+ | α→170Os(74,9%) β⁺→174Ir | 1966 |
| 175Pt | 97 | 174,9724 | -25 709,0 | --- | 2,43 с | (7/2-) | α→171Os(64%) β⁺→175Ir | 1966 |
| 176Pt | 98 | 175,9689 | -28 934,0 | --- | 6,33 с | 0+ | α→172Os(40%) β⁺→176Ir | 1966 |
| 177Pt | 99 | 176,9685 | -29 370,0 | --- | 10,0 с | 5/2- | β⁺→177Ir(94,3%) α→173Os(5,7%) | 1966 |
| 177mPt | 99 | 176,9686 | -29 223,0 | --- | 2,35 мкс | 1/2- | γ→177Pt(100%) | 1979 |
| 178Pt | 100 | 177,9656 | -31 997,0 | --- | 20,7 с | 0+ | β⁺→178Ir(92,3%) α→174Os(7,7%) | 1966 |
| 179Pt | 101 | 178,9654 | -32 268,0 | --- | 21,2 с | 1/2- | β⁺→179Ir(~100%) α→175Os(0,24%) | 1966 |
| 180Pt | 102 | 179,963 | -34 430,0 | --- | 56,0 с | 0+ | β⁺→180Ir(99,48%) α→176Os(0,52%) | 1966 |
| 181Pt | 103 | 180,9631 | -34 381,0 | --- | 52,0 с | 1/2- | β⁺→181Ir(~100%) α→177Os(0,074%) | 1966 |
| 181mPt | 103 | 180,9632 | -34 264,0 | --- | --- | 7/2- | γ→181Pt(100%) | 1992 |
| 182Pt | 104 | 181,9612 | -36 168,0 | --- | 2,67 хв | 0+ | β⁺→182Ir(0,962%) α→178Os(0,038%) | 1963 |
| 183Pt | 105 | 182,9616 | -35 773,0 | --- | 6,5 хв | 1/2- | β⁺→183Ir(~100%) α→179Os(0,01%) | 1963 |
| 183mPt | 105 | 182,9616 | -35 738,0 | --- | 43,0 с | 7/2- | β⁺→183Ir(96,9%) γ→183Pt(3,1%) α→179Os | 1979 |
| 183nPt | 105 | 182,9618 | -35 577,0 | --- | --- | 9/2+ | γ→183Pt(100%) | 1990 |
| 184Pt | 106 | 183,9599 | -37 332,0 | --- | 17,3 хв | 0+ | β⁺→184Ir(~100%) α→180Os(0,002%) | 1963 |
| 184mPt | 106 | 183,9619 | -35 492,0 | --- | 1,01 мс | 8- | γ→184Pt(100%) | 1966 |
| 185Pt | 107 | 184,9606 | -36 688,0 | --- | 1,18 год | 9/2+ | β⁺→185Ir(~100%) α→181Os(0,005%) | 1960 |
| 185mPt | 107 | 184,9607 | -36 585,0 | --- | 33,0 хв | 1/2- | β⁺→185Ir(100%) γ→185Pt | 1970 |
| 185nPt | 107 | 184,9608 | -36 487,0 | --- | 728,0 нс | 5/2- | γ→185Pt(100%) | 1996 |
| 186Pt | 108 | 185,9594 | -37 864,0 | --- | 2,08 год | 0+ | β⁺→186Ir(~100%) α→182Os(1,4е-4%) | 1961 |
| 187Pt | 109 | 186,9606 | -36 685,0 | --- | 2,35 год | 3/2- | β⁺→187Ir(100%) | 1961 |
| 187mPt | 109 | 186,9608 | -36 511,0 | --- | 311,0 мкс | 11/2+ | γ→187Pt(100%) | 1976 |
| 188Pt | 110 | 187,9594 | -37 821,0 | --- | 10,16 д | 0+ | EC→188Ir(~100%) α→184Os(2,6е-5%) | 1954 |
| 189Pt | 111 | 188,9608 | -36 469,0 | --- | 10,87 год | 3/2- | β⁺→189Ir(100%) | 1955 |
| 189mPt | 111 | 188,961 | -36 296,0 | --- | 464,0 нс | 9/2- | γ→189Pt(100%) | 1970 |
| 189nPt | 111 | 188,9611 | -36 278,0 | --- | 143,0 мкс | (13/2+) | γ→189Pt(100%) | 1976 |
| 191Pt | 113 | 190,9617 | -35 698,0 | --- | 2,83 д | 3/2- | EC→191Ir(100%) | 1948 |
| 191mPt | 113 | 190,9618 | -35 597,0 | --- | --- | 9/2- | γ→191Pt(100%) | 1976 |
| 191nPt | 113 | 190,9618 | -35 549,0 | --- | 95,0 мкс | 13/2+ | γ→191Pt(100%) | 1967 |
| 192mPt | 114 | 191,9634 | -34 116,1 | --- | 272,0 нс | 10- | γ→192Pt(100%) | 1976 |
| 193Pt | 115 | 192,963 | -34 479,7 | --- | 50,0 р | 1/2- | EC→193Ir(100%) | 1948 |
| 193mPt | 115 | 192,9631 | -34 329,9 | --- | 4,33 д | 13/2+ | γ→193Pt(100%) | 1949 |
| 195mPt | 117 | 194,9651 | -32 534,8 | --- | 4,01 д | 13/2+ | γ→195Pt(100%) | 1960 |
| 197Pt | 119 | 196,9673 | -30 419,8 | --- | 19,89 год | 1/2- | β⁻→197Au(100%) | 1936 |
| 197mPt | 119 | 196,9678 | -30 020,2 | --- | 1,59 год | 13/2+ | γ→197Pt(96,7%) β⁻→197Au(3,3%) | 1941 |
| 199Pt | 121 | 198,9706 | -27 388,7 | --- | 30,8 хв | 5/2- | β⁻→199Au(100%) | 1937 |
| 199mPt | 121 | 198,9711 | -26 964,7 | --- | 13,48 с | 13/2+ | γ→199Pt(100%) | 1959 |
| 200Pt | 122 | 199,9714 | -26 599,0 | --- | 12,6 год | 0+ | β⁻→200Au(100%) | 1957 |
| 201Pt | 123 | 200,9745 | -23 740,0 | --- | 2,5 хв | (5/2-) | β⁻→201Au(100%) | 1962 |
| 201mPt | 123 | 200,9754 | -22 890,0 | --- | 10,0 с | (13/2+) | γ→201Pt | --- |
| 202Pt | 124 | 201,9756 | -22 692,0 | --- | 1,83 д | 0+ | β⁻→202Au(100%) | 1992 |
| 202mPt | 124 | 201,9776 | -20 904,0 | --- | 141,0 мкс | (7-) | γ→202Pt(100%) | 2005 |
| 203Pt | 125 | 202,9791 | -19 510,0 | --- | 22,0 с | (1/2-) | β⁻→203Au(100%) | 2008 |
| 203mPt | 125 | 202,9805 | -18 140,0 | --- | 12,0 с | (13/2+) | β⁻→203Au(100%) γ→203Pt | 2008 |
| 203nPt | 125 | 202,9806 | -18 090,0 | --- | --- | (27/2-) | γ→203Pt(100%) | 2008 |
| 204Pt | 126 | 203,9811 | -17 620,0 | --- | 10,3 с | 0+ | β⁻→204Au(100%) | 2008 |
| 204mPt | 126 | 203,9832 | -15 630,0 | --- | 5,5 мкс | (5-) | γ→204Pt(100%) | 2009 |
| 204nPt | 126 | 203,9833 | -15 590,0 | --- | 55,0 мкс | (7-) | γ→204Pt(100%) | 2009 |
| 205Pt | 127 | 204,9862 | -12 820,0 | --- | 2,0 с | (9/2+) | β⁻→205Au | 2009 |
| 206Pt | 128 | 205,9901 | -9 240,0 | --- | 500,0 мс | 0+ | β⁻→206Au β⁻n→205Au | 2012 |
| 207Pt | 129 | 206,9956 | -4 140,0 | --- | 600,0 мс | (9/2+) | β⁻→207Au β⁻n→206Au | 2012 |
| 208Pt | 130 | 207,9995 | -500,0 | --- | 220,0 мс | 0+ | β⁻→208Au β⁻n→207Au | 2012 |