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《JJG735-1991γ射线水吸收剂量标准剂量计(辐射加工级).pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、zrzr场中华人民共和国国家计量检定规程JJG735-1991J射线水吸收剂量标准剂量计(辐射加工级)TheStandardDosimeterofWaterAbsorbedDosefory-Rays(RadiationProcessingLevel)1991一03一04发布1991一10一01实施国家技术监督局发布JJG735-1991Y射线水吸收剂量标准剂量计(辐射加工级)检定规程产。.O.O.O.O.0.‘、.O.0.0.O.O.O.O.、乙公{JJG735-1991}VerificationRegulationoftheStandard弓0飞.o.o.o.o.0.0.o.o.0.o.
2、o.0.o.。护DosimeterofWaterAbsorbedDosefory-Rays(RadiationProcessingLevel)本检定规程经国家技术监督局于1991年03月04日批准,并自1991年10月01日起施行。归口单位:中国计量科学研究院起草单位:中国计量科学研究院本规程技术条文由起草单位负责解释JJG735-1991本规程主要起草人:庞瑞草(中国计量科学研究院)IIC735-1991目录一概述···················,·········4·····,,,·,,·············,,、,,·,·,,···········,··,·⋯(I)二技术要
3、求·.........................................................................................(I)(一)液体剂量计···,··········································································⋯⋯(I)(二)固体剂量计(丙氨酸/ESR剂量计)·············,···················,··············⋯⋯(2)(三)电离室剂量计·················,···..........
4、...........···························一(2)三检定条件·.........................................................................................(3)(一)检定用设备·············································‘································⋯⋯(3)(二)检定时的辐照条件························································
5、·············⋯⋯(3)四检定项目和检定方法·..........................................................................(4)五检定结果处理和检定周期·....................................................................(6)附录I名词和术语············································································一(7)附录2检定证书内面格式·········
6、···········································,·············⋯⋯(8).I.IG735-1991Y射线水吸收剂量标准剂量计(辐射加工级)检定规程本规程适用于用国家吸收剂量基准硫酸亚铁(Fricke)剂量计,在水模体中,以替代法检定新制造、使用中和修理后的辐射加工级水吸收剂量标准剂量计。检定在MC.或137Cs7射线的辐射场中进行。用标准剂量计检定工作剂量计时,其检定方法可参照本规程进行。一概述标准剂量计是指经过考核的,测量水吸收剂量的总不确定度小于3%一4%(k=2),能用于辐射加工级水吸收剂量量值传递,在辐射加工现场测量吸收剂量和校准
7、工作剂量计的剂量测量体系。标准剂量计包括液体(化学)剂量计、固体剂量计和电离室剂量计。液体剂量计如硫酸亚铁剂量计、重铬酸钾(银)剂量计、重铬酸银剂量计和硫酸柿一亚饰剂量计等。它们是由密封于玻璃安瓶中的剂量计溶液和UV/vis分光光度计组成。在电离辐射作用下,剂量计溶液中的溶质离子被水的辐解产物定量地氧化或还原;用分光光度计在一定波长处准确地测定该溶液辐照前后吸光度的变化值,可给出水中吸收剂量值。摩尔线性吸收系数是用已知浓
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