FX性標(biāo)準(zhǔn)源可分為活度標(biāo)準(zhǔn)源和能譜儀刻度標(biāo)準(zhǔn)源。按總不確定度的大小可分為一級(jí)標(biāo)準(zhǔn)源(總不確定度小于2%)和二級(jí)標(biāo)準(zhǔn)源(總不確定度3%~5%)。按發(fā)射的輻射類型可分為α,β,γ標(biāo)準(zhǔn)源和標(biāo)準(zhǔn)中子源。按形態(tài)分為固、液、氣三類
適用儀器(方法) | 標(biāo)物名稱 | 序號(hào) | 核素 | 規(guī)格/包裝 | 典型量值 | 典型擴(kuò)展不確定度(k=2) |
低本底α、β測(cè)量?jī)x | 標(biāo)準(zhǔn)粉末 | 1 | 241Am | 20g粉末 | (10 ~ 16) Bq/g | 5% |
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| 2 | 40K | 20g粉末 | (14.5~16)Bq/g | 5% |
| 平面源(質(zhì)控) | 3 | 239Pu | Φ35mm*2mm | (1000~2000)(min· 2πsr)-1(20~70)Bq | 3% |
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| 4 | 90Sr-90Y | Φ30mm*2mm | (1000~2500) (min· 2πsr)-1(20~70)Bq | 3% |
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| 5 | 241Am | Φ35mm*2mm | (1000~2000)(min· 2πsr)-1(20~70)Bq | 3% |
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| 6 | 239Pu | Φ35mm*2mm | (3000~4500)(min· 2πsr)-1(100~150)Bq | 3% |
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| 7 | 90Sr-90Y | Φ30mm*2mm | (3000~5500)(min· 2πsr)-1(100~150)Bq | 3% |
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| 8 | 241Am | Φ35mm*2mm | (3000~4500)(min· 2πsr)-1(100~150)Bq | 3% |
低本底α、β測(cè)量?jī)x,流氣正比計(jì)數(shù)測(cè)量?jī)x | 標(biāo)準(zhǔn)平面(計(jì)量檢測(cè)) | 9 | 239Pu | Φ35mm*2mm | (2.0E+04~1.2E+05) (min· 2πsr)-1 | 3% |
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| 10 | 90Sr-90Y | Φ30mm*2mm | (2.0E+04~1.2E+05) (min· 2πsr)-1 | 3% |
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| 11 | 241Am | Φ35mm*2mm | (2.0E+04~1.2E+05) (min· 2πsr)-1 | 3% |
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| 12 | 210Po | Φ35mm*2mm | (2.0E+04~1.2E+05) (min· 2πsr)-1 | 3% |
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| 13 | 36Cl | Φ10mm*2mm | (1000~2500) (min· 2πsr)-1(20~70)Bq | 3% |
表面污染儀 | 標(biāo)準(zhǔn)平面源 (計(jì)量檢測(cè)) | 14 | 239Pu | 100mm*150mm | (2.0E+03~3E+05) (min· 2πsr)-1 | 3% |
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| 15 | 90Sr-90Y | 100mm*150mm | (8.0E+03~6E+05) (min· 2πsr)-1 | 3% |
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| 16 | 241Am | 100mm*150mm | (2.0E+03~3E+05) (min· 2πsr)-1 | 3% |
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| 17 | 204Tl | 100mm*150mm | (8.0E+03~3E+05) (min· 2πsr)-1 | 3% |
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| 18 | 36Cl | 100mm*150mm | (8.0E+03~8E+05) (min· 2πsr)-1 | 3% |
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| 19 | 14C | 100mm*150mm | (8.0E+03~8E+05) (min· 2πsr)-1 | 3% |
γ平面源 | 20 | 129I | 100mm*150mm | (5.0E+03~8E+05) (min· 2πsr)-1 | 3% | |
| 21 | 137Cs | 100mm*150mm | (5.0E+03~6E+05) (min· 2πsr)-1 | 3% |