Polymer-based reversed phase column, RSpak DS-413, was used to analyze food additives including an artificial sugar, saccharin sodium, and several preservatives.


Sample : 10 μg/mL each, 20 μL
1. Saccharin sodium
2. p-Hydroxybenzoic acid
3. Sorbic acid
4. Benzoic acid
5. Methyl paraben, Methyl p-hydroxybenzoate
6. Ethyl paraben, Ethyl p-hydroxybenzoate
7. Dehydroacetic acid
8. Propyl paraben, Propyl p-hydroxybenzoate



Column       : Shodex RSpak DS-413 (4.6 mm I.D. x 150 mm)
Eluent       : (0.05 M KH2PO4 + 0.1 % H3PO4) aq./CH3CN=60/40
Flow rate    : 1.0 mL/min
Detector     : UV (210 nm)
Column temp. : 50 °C

Sample Name Index

Operation Manual / Certificate of Analysis

Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.

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Applications