GB/T 11903-1989

Water quality--Determination of colority (English Version)

Standard No.

GB/T 11903-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 11903-1989

Scope

This standard specifies two methods for the determination of color. This standard measures the color of the sample after being clarified for 15 minutes. The pH value has a great influence on the color, and the pH value should be measured at the same time when the color is measured. This standard does not apply when the color tone of the sample and the standard solution are inconsistent.

GB/T 11903-1989 Referenced Document

• GB 3143 Liquid chemical product color determination method (Hazen unit - platinum-cobalt color number)

GB/T 11903-1989 history

• 1989 GB/T 11903-1989 Water quality--Determination of colority