LC

Samples

Citric acid , Tartaric acid , Malic acid , Malonic acid , Succinic acid , Glycolic acid , Formic acid , Lactic acid , Acetic acid , Fumaric acid , Adipic acid , Pyroglutamic acid , Propionic acid , Acrylic acid , Pivalic acid , Methacrylic acid , Crotonic acid

Applications

Elution position of the aliphatic organic acid

Column

ULTRON PS-80H

Column Size

300 mm L × 8.0 mm I.D. + 300 mm L × 8.0 mm I.D.

Mobile phase

HClO4aq. (pH 2.1)

Frow rate

1.0 mL/min

Column temp.

60°C

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LC

Samples

Citric acid , Tartaric acid , Malic acid , Succinic acid , Lactic acid , Acetic acid , Pyroglutamic acid

Applications

Analysis of the soy sauce

Column

ULTRON PS-80H

Column Size

300 mm L × 8.0 mm I.D.

Mobile phase

HClO4aq. (pH 2.1)

Frow rate

1.0 mL/min

Column temp.

60°C

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LC

Samples

Inosine 5'-monophosphate , Pyroglutamic acid

Applications

5'-IMP(Inosinic acid), Pyroglutamic acid

Column

ULTRON VX-ODS

Column Size

150 mm L × 4.6 mm I.D.

Mobile phase

20 mM Phosphoric acid buffer(pH 6.7)/CH3OH = 99/1

Frow rate

1.0 mL/min

Column temp.

40°C

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