Development of Dosimeter Materials

2 Development of Dosimeter Materials. - 4.2.1 Quantitative ESR and Intensity Standards of Mn1+ and CuS04.5H20. An ESR spectrometer consists of vacuum tube amplifier and a Klystron oscillator with thermal noise and frequency drift. Hence, an inherent standard of Mn2+ was used in ESR dating of carbonate stalactites,8 and patented as a standard in ESR radiation dosimetry in 1980.102 The standard sample of MgO with Mn2+ is frequently used for calibration of -factor and the magnetic field as well as for radiation dosimetry.103 

Ammonium tatrate was studied as an organic material,111 but it contain hydrogen at the cation site of NHi+ which broaden the radical signal. Formates and dithionates, especially Li-compounds were also studied as potential ESR 

The annealing temperature of 400 °C might indicate the stability of Vitamin C and so be used as baking additive.lt has an optical absorption at UVB region and may be used as non-toxic UV-absorber.115 

5 Future ESR Dating and Assessment of Environment using Ices 

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