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isophthalic acid isophthalic acid residues terephthailic acid terephthalic acid acid optical time domain reflectometry sm3 password hashing algorithm scopethis standard depth calculation formula
SN/T 2923-2011 in English

SN/T 2923-2011 in English

VALID

Determination of terephthailic acid and isophthalic acid in food for export

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Scope

This standard specifies the sample preparation and liquid chromatography detection methods for terephthalic acid (TPA) and isophthalic acid (IPA) residues in exported foods. This standard is applicable to the determination of terephthalic acid and isophthalic acid residues in canned meat, fish, beans and beverages.

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