Benzoic acid

Recommended Method

as of:

- Commission Implementing Regulation (EU) 2016/900

- Commission Implementing Regulation (EU) 2018/1550

- Commission Implementing Regulation (EU) 2018/983

- Commission Implementing Regulation (EU) 2020/1031

Quantification of benzoic acid in the feed additive: 

• Titration with sodium hydroxide (European Pharmacopeia monograph 0066)

Quantification of benzoic acid in the premixtures and feedingstuffs: 

• Reversed Phase Liquid chromatography with UV detection (RP-HPLC/UV) — method based on ISO 9231:2008

as of:

- Commission Implementing Regulation (EU) 2024/1730

For the determination of benzoic acid in the feed additive, premixtures and compound feed: 

• High performance liquid chromatography with ultraviolet detection (HPLC-UV) – EN 17298