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Determining age using a Ra-226 sample

VP6.5.4.4
Determining age using a Ra-226 sample
Determining age using a Ra-226 sample

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Description

In the experiment P6.5.4.4, the individual values of the decay chain of Ra-226 leading to the α energy spectrum are analyzed to determine the age of the Ra-226 preparation used here. The activities A1 and A2 of the decay chain “preceding” and “following” the longer-life isotope Pb-210 are used to determine the age of the sample from the relationship

Components of equipment sets

1 559565  4  Alpha spectroscopy chamber LD
1 559921  8  Semiconductor detector LD
1 559436 Ra 226 preparation, 5 kBq LD
1 524013  8  Sensor-CASSY 2 LD
1 524220  4  CASSY Lab 2 LD
1 524058  8  MCA box LD
1 559931  4  Discriminator preamplifier LD
1 50116  4  Multi-core cable, 6-pole, 1.5 m LD
1 50102  8  BNC cable, 1 m LD
1 50101  4  BNC cable, 0.25 m LD
1 37873  8  Rotary-vane vacuum pump S 1.5 LD
1 378005  4  T-piece, DN 16 KF LD
1 378040  8  Centering ring (adapter) DN 10/16 LD
1 378045  8  Centering ring DN 16 KF LD
2 378050  8  Clamping ring, DN 10/16 KF LD
1 378771  8  Air inlet valve, DN 10 KF LD
1 378031  4  Hose nozzle, DN 16 KF LD
1 667186  4  Vacuum rubber tubing, 8 mm diam. LD
1 additionally required:
PC with Windows XP/Vista/7/8/10 (x86 or x64)

Experiment Instructions

PDF (Description from CASSY Lab) PDF (Description from CASSY Lab) P6.5.4.4 Determining age using a Ra-226 sample
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