GB/T 7381-1993
Surface active agents. Determination of stability in hard water (English Version)

Standard No.

GB/T 7381-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

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

Status

Be replaced 2011-12

Replace By

GB/T 7381-2010

Latest

GB/T 7381-2010

Scope

This standard specifies a method for determining the stability of surfactants in hard water. This standard applies to the determination of the stability in hard water of surfactants that are easily soluble in water at room temperature or slightly higher temperature.

GB/T 7381-1993 history

• 2011 GB/T 7381-2010 Surface active agents.Determination of stability in hard water
• 1993 GB/T 7381-1993 Surface active agents. Determination of stability in hard water