ANSI/AWWA B502-2005
Water Treatment – Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate)

Standard No.

ANSI/AWWA B502-2005

Release Date

2005

Published By

American National Standards Institute （ANSI)

Status

Withdraw

Replace By

ANSI/AWWA B502-2011

Latest

ANSI/AWWA B502-2017

Scope

This standard describes sodium polyphosphate, glassy, for use in water supply service. This material is also known as sodium hexametaphosphate, sodium tetrapolyphosphate, and Graham's salt.

ANSI/AWWA B502-2005 history

• 2017 ANSI/AWWA B502-2017 Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate)
• 2011 ANSI/AWWA B502-2011 Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate)
• 2005 ANSI/AWWA B502-2005 Water Treatment – Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate)