LC

Samples

Methyl paraben , Ethyl paraben , Isopropyl paraben , Propyl paraben , Isobutyl paraben , Butyl paraben , Each 100ppm containing

Applications

Paraben (Added to commercial soy sauce)

Column

STR ODS-II

Column Size

150 mm L × 4.6 mm I.D.

Mobile phase

10 mM Phosphoric acid buffer(pH 2.6)/CH3OH = 1/1

Frow rate

1.5 mL/min

Column temp.

40°C

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