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Manual
Liquid Scintillation Counting System
Introduction
 Liquid
scintillation counter (LSC) is a high efficiency laboratory
counting system. This system is used for the detection and
quantification of radiations even with very low penetrating
power such as a and b particles. This is a PC based manually
operated system for detecting even small amounts of beta and
alpha radioactivity. Usage of excellent quality high efficiency
matched pair of photo multiplier tubes, precision fast and
slow preamplifiers, high speed analog electronics design,
USB based spectroscopy quality MCA, rugged manually operated
sample chamber with lead shield allow the system to offer
high efficiency even for low energy beta emitters such as
tritium and also a very low background.
Specifications
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Cocktail consisting of radioactivity dissolved in liquid
scintillator contained in glass or plastic vial viewed
by matched pair of photo multiplier tubes
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Manually operated light tight sample chamber shielded
with lead
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In 20 ml vials
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Air conditioned (20-25 0 C) dust free Environment
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System operates on 230V, 50 Hz, AC supply
High Voltage : Auto Set or User adjustable up to 1800V
Low Voltage : ±15V
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Live display of acquisition of beta Spectrum
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For tritium (H 3 ) (in toluene based scintillating
solution) » 50% with Background less than 20 cpm
For carbon (C 14 ) (in toluene based scintillating solution)
» 90% with Background less than 35 cpm
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Salient Features
- Advanced photo multiplier design
- Nanosecond pulses coincidence detection
- USB based high-resolution spectroscopy quality Multichannel
Analyzer (1K -8K)
- Excellent performance in terms of efficiency, low background
etc.
Applications
- At Nuclear Power Plants to count H3 activity of large
number of samples
- At various environmental survey laboratories, hospitals
and agricultural labs for measurement of radio labeled tritium
and carbon
- Radio carbon dating
- Swipe or wipe assays
- General-purpose biomedical research using radiotracers
For further
information please contact :
Head,
Technology Transfer & Collaboration Division,
Bhabha Atomic Research Centre,
Trombay, Mumbai - 400 085
Tel : 091-022-25505337/25593897
Fax : 091-022-25505151
E-mail : headttcd@barc.gov.in
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