GB/T 12128.2-1999用于校准表面污染监测仪的参考源　第2部分：能量低于0.15MeV的电子和能量低于1.5MeV的光子.pdf

17.240 麟4 中 华 人 民 共 和 国 国 家 标 准 GB/T 12128.2一1999 eqvISO 8769-2:1996 用于校准表面污染监测仪的参考源 第二部分:能量低于0.15MeV的电子和 能量低于 1.5MeV的光子 Referencesourcesforthecalibration ofsurfacecontaminationmonitors Part2:Electronsofenergylessthan0.15MeV andphotonsofenergylessthan1.5MeV 1999门2一30发布 2000一08一01实施 国家 质 董叠技 术 监 督 局 发布 GB/T12128.2-1999 目 次 前言 ···，················································。·····························································…… 1s0前言 ······························································，·······························，·············…… 1 范围 ·················································，·····································，·························一 2 引用标准 ································，···，········································，·····························。… 3 定义 ··········。。······························································································…… 4 参考源的溯源性 ···········································································.·..·..·...···.·...·…… 5 参考源的技术要求 .· 6 传递仪器 ··········。。···························，·································································…… 附录A(提示的附录) 电子能量低于。.15MeV和光子能量低于 1.5MeV的参考辐射源的 补充说明 附录B(提示的附录) 参考文献目录 ················.·.·……，..··..·.·..·…… GB/T12128.2-1999 前 言 本标准等效采用国际标准ISO8769-2;1996用《于校准表面污染监测仪的参考源 第二部分:能量 低于。.15MeV的电子和能量低于 1.5MeV的光子》。 国标GB/T12128-1989已经对p谱最大能量Em-0.15MeV的俘发射体参考源作出了规定和 推荐，但尚无能量低于。.15MeV的电子(或俘粒子)和能量低于 1.5MeV光子的参考源标准。本标准 对除sH以外的出射能量低于0.15MeV的电子(或俘粒子)和能量低于1.5MeV的光子的参考辐射作 出了规定。ISO8769-1对H参考辐射源作了专门的规定。Y和低能p表面污染的监测和监测仪表的校 准存在着不可忽视的