GB/T 18634-2009
Determination of feed phytase activity-Spectrophotometric method (English Version)

Standard No.

GB/T 18634-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

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

Latest

GB/T 18634-2009

Replace

GB/T 18634-2002

Scope

This standard specifies the spectrophotometric method for the determination of the activity of feed phytase. This standard applies to phytase products used as feed additives, and also to compound feeds added with phytase. The minimum quantification of the method was 130 U/kg.

GB/T 18634-2009 Referenced Document

• GB/T 14699.1 Feeding stuffs--Sampling

GB/T 18634-2009 history

• 2009 GB/T 18634-2009 Determination of feed phytase activity-Spectrophotometric method
• 2002 GB/T 18634-2002 Determination of feed phytase activity--Spectrothotometric method