Skip to product information
1 of 9

www.ChineseStandard.us -- Field Test Asia Pte. Ltd.

GB 5009.31-2025 English PDF

GB 5009.31-2025 English PDF

Regular price $260.00
Regular price Sale price $260.00
Sale Sold out
Shipping calculated at checkout.

GB 5009.31-2025: National food safety standard - Determination of p-hydroxybenzoic acid esters in foods

Delivery: 9 seconds. Download (and Email) true-PDF + Invoice.
Get Quotation: Click GB 5009.31-2025 (Self-service in 1-minute)
Newer / historical versions: GB 5009.31-2025

Preview True-PDF


Scope

This Standard specifies the determination method for p-hydroxybenzoic acid esters (methyl
paraben, ethyl paraben, propyl paraben, isopropyl paraben, butyl paraben, isobutyl paraben and
heptyl 4-hydroxybenzoate) in foods.
The first method of this Standard, gas chromatography, is applicable to the determination of p-
hydroxybenzoic acid esters in foods (except heat-coagulated egg products, brewed sauce and
seasoning sauce).
The second method of this Standard, high performance liquid chromatography, and the third
method, liquid chromatography-tandem mass spectrometry, are applicable to the determination
of p-hydroxybenzoic acid esters in foods.
Method I - Gas Chromatography

Basic Data

Standard ID GB 5009.31-2025 (GB5009.31-2025)
Description (Translated English) National food safety standard - Determination of p-hydroxybenzoic acid esters in foods
Sector / Industry National Standard
Classification of Chinese Standard X09
Word Count Estimation 19,111
Date of Issue 2025-03-16
Date of Implementation 2025-09-16
Issuing agency(ies) National Health Commission of the People's Republic of China, State Administration for Market Regulation


View full details