ANSI/AWWA B502-2011
Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate)

Standard No.

ANSI/AWWA B502-2011

Release Date

2011

Published By

American National Standards Institute （ANSI)

Status

Be replaced

Replace By

ANSI/AWWA B502-2017

Latest

ANSI/AWWA B502-2017

Scope

This standard describes sodium polyphosphate, glassy, for use in the treatment of potable water, wastewater, and reclaimed water. This material is also known as sodium hexamataphosophate, sodium tetrapolyphosphate, and Graham's salt.

ANSI/AWWA B502-2011 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)