CB* 3328.4-1988
Method for inspecting quality of water discharged from treatment of vessel sewage. Method of test for oxygen dissolved in water (English Version)

Standard No.

CB* 3328.4-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

Professional Standard-Ships

Scope

This standard is applicable to the determination of dissolved oxygen in ship sewage discharge water, as well as the determination of dissolved oxygen in other wastewater, seawater, etc. This standard is an improved Winkler method, which is applicable to all kinds of water without interfering substances with a dissolved oxygen concentration greater than 0.2 mg/L until twice the saturated dissolved oxygen Do is about 20 mg/L. If there are oxidizing or reducing substances and suspended solids that can fix or consume iodine, measure according to the provisions of 1.6 of this standard.