Radio-TLC
Description
RITA Star - the thin layer chromatography radioactivity detector - uses a linear analyzer detector, which is sensitive over the entire trace of the chromatogram from start to finish. The input window can be opened for H-3 and alpha applications or closed for C-14 or any other nuclide emitting beta- or beta + radiation.
Many gamma-emitting nuclides also emit beta radiation. Pure gamma emitting nuclides can be detected as they produce Compton electrons.
The Open window Proportional Gas Flow detector is very suited for low activity Alpha detection.
RITA Star has 2 simultaneous sensing electrodes: the delay line determines the location of the counted event; the pulse height of the counting wire is used for the electronic collimation. Thus, high energy beta radiation can be detected with high resolution using a narrow collimator window.
RITA Star is an extended version of MARITA that can measure automatically many single traces one after the other. The RITA* detector is elevated after the end of the measurement and moved automatically to the next trace position. Multi traces can be displayed as a 3-dimensional presentation or as a 2-dimensional distribution over the entire 200 x 200 mm TLC plate.
The counting gas is a non-inflammable mixture of 90% Argon and 10% Methane, which is traded as P10 gas. The gas consumption is very low. 2 TLC plates of 200 x 200 mm each can be placed in RITA* at the same time.
A metal/glass cover closes RITA Star completely and protects the environment as well as RITA* itself from electronic frequency emissions (CE).
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