1 Scope
This part of ISO 1431 describes three types of method for the determination of ozone concentration in laboratory test chambers.
Method A — UV absorption: this is the reference method, and is used as the means of calibration for the alternative methods B and C.
Method B — Instrumental techniques:
B1 : electrochemical
B2: chemiluminescence
Method C — Wet-chemical techniques:
Procedure I
Procedure II
Procedure III