CGSB 9.11-94-CAN/CGSB-1994
Paper Table Napkins, Junior Dispenser Type, for Institutional Use

Standard No.

CGSB 9.11-94-CAN/CGSB-1994

Release Date

1994

Published By

Canadian General Standards Board （CGSB)

Status

Withdraw

Scope

This method determines the chemical oxygen demand (COD) of water and wastewater by reaction with a measured excess of potassium dichromate under reflux conditions. The COD is defined as the milligrams of oxygen consumed by one litre of sample under