If you have difficulty in submitting comments on draft standards you can use a commenting template and email it to admin.start@bsigroup.com. The commenting template can be found here.
Standards Development
This document specifies two evaluation methods for ozone content in UFB dispersions in water, namely, iodometric titration and UV photometry.
Iodometric titration is applicable as a well-established, high accuracy chemical procedure, particularly suitable for single-point determinations. The direct measurement range of this technique is typically 0,01–50 mg/L.
UV photometry is applicable for rapid or continuous measurement and real-time monitoring. Its typical measurement range is from 0,075 to 200 mg/L, depending on instrument specification.
This document is applicable to industrial processes that require precise ozone dosing and control when MB or UFB systems are used.
NOTE This document does not involve the specific effects of ozone UFB dispersion applications. High concentrations of dissolved oxygen (DO), commonly found in water containing oxygen UFBs, can interfere with iodometric titration and lead to overestimation of ozone content. If an extremely high ozone level is expected for a sample to be measured, water containing oxygen UFBs shall be used as the blank control.
Required form fields are indicated by an asterisk (*) character.
You are now following this standard. Weekly digest emails will be sent to update you on the following activities:
You can manage your follow preferences from your Account. Please check your mailbox junk folder if you don't receive the weekly email.
You have successfully unsubscribed from weekly updates for this standard.
Comment by: