Table of Contents

1 Overview
    1.1 Scope
    1.2 Purpose
    1.3 Word usage
2 References
3 Definitions
4 Standards and check sources
    4.1 Radioactivity standard material
    4.2 Check sources
    4.3 Background sources (unquenched blank)
    4.4 Symbols
5 Materials
    5.1 Solvent
    5.2 Organic-scintillator solutes
    5.3 Radioactive material
    5.4 Sample container
    5.5 Purging gas
6 Description of check sources
    6.1 Check sources
    6.2 Expiration date of check source
7 Operations and tests
    7.1 General
    7.2 Test procedures
8 Precautions
    8.1 Organic-scintillator solute purity
    8.2 Background activity from low-potassium glass
    8.3 Small-vial check sources
    8.4 Sample preparation
    8.5 Instrument check sources
    8.6 Measurement of radioactivity
    8.7 Abnormal observations of check source count rate
    8.8 Abnormal observations of background check source
          count rate
    8.9 Automated performance checks
Annex A (informative) Physical properties of 2.5-
        diphenyloxazole (PPO)
Annex B (informative) Physical properties of 1.4-bis-2-
        (5-phenyloxazolyl)-benzene (POPOP)
Annex C (informative) Physical properties of 1.4-bis-2-
        (4-methyl-5-phenyloxazolyl)-benzene (dimethyl POPOP)
Annex D (informative) Physical properties of p-bis-
        (O-methylstyryl)-benzene (bis MSB)
Annex E (informative) Requirements for toluene acceptance
Annex F (informative) Statistical tests of reproducibility -
        the X2 test and other criteria
Annex G (informative) Performance monitoring log for liquid-
        scintillation counting
Annex H (informative) Bibliography

   

Abstract

Produces a means of verifying the performance of typical liquid-scintillation counting systems including counting system efficiency, reproducibility of background and sample count rates.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN
Committee	IEEE
Supersedes	IEEE DRAFT N42.15 : D2 OCT 96