SAMR Releases a Supplement Test Method for Disinfectant Residue Determination in Baby Food

As revealed by the official notice No.2020-50 ^[1], China SAMR (State Administration for Market Regulation) released a supplement test method called “BJS 202007 Determination of Disinfectant Residue in Baby Food” on November 20th, 2020.

Scope and Major Content

This method stipulates the determination method — liquid chromatography-tandem mass spectrometry (LC-MS/MS) method — for 6 kinds of disinfectant residues in baby food.

The scope of baby food in this regulation include:

• Infant formula powdered product,

• Cereal-based complementary baby food,

• Fruit & vegetable puree for babies.

The 6 kinds of disinfectants are:

• C₁₂-Benz alkonium chloride,

• C₁₄-Benz alkonium chloride,

• C₁₆-Benz alkonium chloride,

• Benzalkonium bromide,

• Didecyl dimethyl ammonium chloride,

• Tetrabutylammonium hydrogen sulfate.

Other contents included the requirements of

• Reagent and materials,

• Apparatus and equipment,

• Preparation and preservation of test sample,

• Analysis procedure,

• Calculation of result,

• Precision,

• Detection limit and limit of quantitation.

Further details and document can be found on the ChemLinked free regulatory database here ^[2].

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