英国harwell 红色4034 pmma辐射剂量计作用在5-50kgy剂量范围内，其吸光率测量的变异系数小于2%
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英国harwell 红色4034 pmma辐射剂量计，harwellradspin丙氨酸辐射剂量丸，英国harwell dosimeters氨酸辐射剂量丸，
测量alpha射线，beta射线，gamma射线，x射线辐射！
 品名：harwell red 4034 pmma辐射剂量计，harwell amber 3042 pmma辐射剂量计, harwell radspin辐射剂量剂，harwell alanine pellets剂量计。
harwell红色4034剂量计
说明书用于测量辐射剂量的harwell红色4034剂量计
1、材料：单批红色4034剂量计由一块聚甲基丙烯酸甲酯板材制作。
2、尺寸：30mm×11mm。厚度3±0.55mm
3、测量重复性：同批剂量计，在不均匀度小于±1%的辐照场中同时辐照，用640nm波长测量，在5-50kgy剂量范围内，其吸光率测量的变异系数小于2%。
4、校准能力：在校准范围内，所有吸光率测量数据的平均值与使用最小二乘拟合的四阶多项式的数据相比，误差在2%以内。
5、溯源性：harwell剂量计的校准，溯源到英国国家物理实验室吸收剂量标准。
                 与英国国家物理实验室相互比较来验证每批剂量计的校准性能。
6、保质期：从发售日期起10年内。
7、包装：用聚酯/铝箔/聚酯/聚乙烯材料制成的带有标签的小袋密封包装，每箱1000片。
harwell red 4034
harwell red 4034 dosimetersred 4034 are made from radiation-sensitivepoly-methylmethacrylate (pmma) in the form of optically transparentpieces individually sealed in laminate sachets. they darken whenirradiated, and the radiation-induced darkening, accuratelymeasurable by means of a spectrophotometer, is a function of theradiation dose absorbed.
dose rangered 4034 has a functional dose range of 5 kgy to 50 kgy whichmakes it idea for a wide range of irradiation processes.
materialthe 4034 red is made from single batches of cast sheets ofpoly-methylmethacrylate (pmma)
dimensionsharwell dosimeters then cut the sheets down into plaques of 30mmx 11mm with a thickness of 3mm (+/- 0.55mm)
packagingafter 100% inspection the dosimeters are packaged into sealedsachets made of polyester/aluminium foil/polyester/polyethylenelaminate. with each sachet being labeled with a unique bar codedlabel.
packed 1,000 per carton.
(packing to defined aql's checked to bs6001 (iso 2859-1), singlenormal inspection, level ii.)
measurement reproducibilitycoefficient of variation of specific absorbance measurements onsets of dosimeters for the batch, simltaneously irradiatedtogether, in a gamma radiation field uniform within +/- 1%, is 2%over the entire calibrated range, 5 to 50 kgy.
calibration qualityover the calibrated range, all mean specific absorbance datapoints thus obtained are within 2% of a fourth-order polynomialleast-squares fit to the data.
shelf-lifeten years from the date of release.
traceabilityharwell calibration is traceable to the uk standard of absorbeddose at the national physical laboratory (npl).

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