GB/T 5473-1985
Phenol-formaldehyde mouldings--Detection of free ammonia (English Version)

Standard No.

GB/T 5473-1985

Language

Chinese, Available in English version

Release Date

1985

Published By

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

Status

Be replaced 2017-01

Replace By

GB/T 5473-2016

Latest

GB/T 5473-2016

Scope

This standard specifies a qualitative method for detecting free ammonia or other volatile bases in phenolic molded products by placing test paper in the gas released from powder samples. Also applicable when no free ammonia is required.

GB/T 5473-1985 history

• 2016 GB/T 5473-2016 Plastics.Phenol formaldehyde mouldings.Detection of free ammonia
• 1985 GB/T 5473-1985 Phenol-formaldehyde mouldings--Detection of free ammonia