This document describes the high-performance liquid chromatography and spectrophotometry for the determination of D-biotin in vitamin premix feed and compound premix feed. This document applies to the determination of D-biotin in vitamin premix feed and compound premix feed. The detection limit for the high-performance liquid chromatography in this document is 1 mg/kg, and the quantitation limit is 3 mg/kg; the detection limit for the spectrophotometry is 1.5 mg/kg, and the quantitation limit is 5 mg/kg.
Basic Data
Standard ID
GB/T 17778-2025 (GB/T17778-2025)
Description (Translated English)
Determination of D-biotin in feed additive premix
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
B46
Classification of International Standard
65.120
Word Count Estimation
9,931
Date of Issue
2025-06-30
Date of Implementation
2026-01-01
Older Standard (superseded by this standard)
GB/T 17778-2005
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
