Reference number
ISO 11665-9:2019
International Standard
ISO 11665-9:2019
Measurement of radioactivity in the environment — Air: Radon-222 — Part 9: Test methods for exhalation rate of building materials
Edition 2
2019-05
Preview
ISO 11665-9:2019
76013
No disponible en español
Publicado (Edición 2, 2019)

ISO 11665-9:2019

ISO 11665-9:2019
76013
Idioma
Formato
CHF 173
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Resumen

This document specifies a method for the determination of the free radon exhalation rate of a batch of mineral based building materials. This document only refers to 222Rn exhalation determination using two test methods: liquid Scintillation Counting (LSC) and gamma ray spectrometry (see Annex A and Annex B).

The exhalation of thoron (220Rn) does not affect the test result when applying the determination methods described in this document.

Informaciones generales

  •  : Publicado
     : 2019-05
    : Cierre de la revisión [90.60]
  •  : 2
     : 39
  • ISO/TC 85/SC 2
    17.240  13.040.01 
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