- Standard No.
- GB 12289-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- Professional Standard - Agriculture
- Latest
-
GB 12289-1990
- Replace
-
GB/T 12289-1990
- Scope
- This standard specifies the method for the determination of benzoic acid content in fruits, vegetables and their products. Spectrophotometry is suitable for the determination of benzoic acid content of less than 20mg/L or kg products. Molecular absorption spectrophotometry is suitable for the determination of products with a benzoic acid content exceeding 200 mg/L or kg, mainly including fruit juices, tomato sauce products, and products preserved with vinegar or lactic acid. Spectrophotometry is not suitable for products containing p-chlorobenzoic acid and large amounts of cinnamic acid.
GB 12289-1990 history
- 1990 GB 12289-1990 Determination of benzoic acid content in fruits, vegetables and products
GB 12289-1990 Determination of benzoic acid content in fruits, vegetables and products has been changed from GB/T 12289-1990 Fruits,vegetables and derived products--Determination of benzoic acid content.