National Health Commission of the People's Republic of China
Latest
GB 5009.31-2016
Scope
This standard specifies the gas chromatography method for methyl p-hydroxybenzoate, ethyl p-hydroxybenzoate, propyl p-hydroxybenzoate and butyl p-hydroxybenzoate in food. This standard applies to the determination of methyl p-hydroxybenzoate, ethyl p-hydroxybenzoate, propyl p-hydroxybenzoate and butyl p-hydroxybenzoate in soy sauce, vinegar, beverages and jams. 2 principles
GB 5009.31-2016 history
2016GB 5009.31-2016 Determination of Parabens in Food in National Food Safety Standards
2003GB/T 5009.31-2003 Determination of p-hydroxybenzoic acid esters in foods