IEC 61453-2007
核检测仪表.放射性核素分析用闪烁γ射线探测器系统.校准和常规试验
Nuclear instrumentation - Scintillation gamma ray detector systems for the assay of radionuclides - Calibration and routine tests
说明：
- 此图仅显示与当前标准最近的5级引用；
- 鼠标放置在图上可以看到标题编号；
- 此图可以通过鼠标滚轮放大或者缩小；
- 表示标准的节点，可以拖动；
- 绿色表示标准：IEC 61453-2007 ， 绿色、红色表示本平台存在此标准，您可以下载或者购买，灰色表示平台不存在此标准；
- 箭头终点方向的标准引用了起点方向的标准。
- 标准号
- IEC 61453-2007
- 发布日期
- 2007年08月
- 实施日期
- 废止日期
- 无
- 中国标准分类号
- F84
- 国际标准分类号
- 17.240;27.120
- 发布单位
- IX-IEC
- 被代替标准
- IEC 61453-1997 IEC 45/645/FDIS-2007
- 适用范围
- This International Standard specifies methods of calibration and routine tests of scintillation detector systems for the measurement of gamma-ray energies and emission rates of radionuclides and the assay of radioactivity. This International Standard is applicable to scintillation detector systems based on inorganic scintillators for photon measurements. Typical applications include radionuclide identification and assay in various industrial, environmental, and medical applications. The detector system consists of three major components: a scintillating material that produces photons of light when ionizing radiation interacts with it; one or more photomultipliers or photodiodes, optically coupled to the scintillator, which convert the light photons to an amplified electrical pulse or pulses; and associated electronic instrumentation which powers the photomultiplier and processes the output signal. Both energy calibration and efficiency calibration are covered. The following three techniques are considered: a) total spectrum counting (see 3.1) which employs a system that counts all pulses above a low-energy threshold (see 5.1, 5.2 and 5.3); b) single-channel analyzer (SCA) counting (see 3.2) which employs a system with a counting channel established through upper and lower energy boundaries (see 5.1, 5.2, and 5.3); c) multichannel analyzer counting (see 3.3) which employs a system in which multiple counting windows are utilized. This technique allows measurements for which the continuum under the total absorption peak may be subtracted without introducing unacceptable error. In case of overlapping peaks in the spectrum, a multichannel analyzer (MCA) with access to a peak deconvolution program is necessary. This case is not covered by this standard.