Shinwa Chemical Industries Ltd.
LC/GC Search / Application Note

Shinwa Chemical Industries
Application Search

Search result
"Citric acid" Filtered 7 Item.

Graph

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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Graph

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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Graph

LC

Samples
Citric acid , Tartaric acid , Malonic acid , Succinic acid , Lactic acid , Acetic acid , Gallic acid , Propionic acid , Phthalic acid , Phenoxyacetic acid , m-Hydroxybenzoic acid , p-Hydroxybenzoic acid , Vanilic acid , Caffeic acid , Benzoic acid , o-Hydroxybenzoic acid
Applications
Elution position of the aromatic organic acid
Column
ULTRON PS-80H
Column Size
300 mm L × 8.0 mm I.D.
Mobile phase
HClO4aq. (pH 2.1)/CH3CN = 90/10
Frow rate
1.0 mL/min
Column temp.
60°C

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LC

Samples
Hypoxanthine , Inosine 5'-monophosphate , Adenosine 5'-diphosphate , Adenosine 5'-monophosphate , Inosine , Adenosine 5'-triphosphate
Applications
The freshness K value
Column
STR ODS-II
Column Size
150 mm L × 4.6 mm I.D.
Mobile phase
24 mM 2-Diethylaminoethanol + 16 mM Citric acid
Frow rate
2.0 mL/min
Column temp.
40°C

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LC

Samples
Tartaric acid , Malic acid , Malonic acid , Acetic acid , Citric acid , Succinic acid , Malic acid degradate , Propionic acid
Applications
Organic acids
Column
STR ODS-II
Column Size
150 mm L × 4.6 mm I.D.
Mobile phase
5 mM NH4H2PO4(pH 2.4)
Frow rate
1.0 mL/min
Column temp.
40°C

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LC

Samples
Maleic acid , Ascorbic acid , Citric acid , Fumaric acid
Applications
Organic acid and vitamin C in the juice (other the maleic acid)
Column
ULTRON VX-ODS
Column Size
150 mm L × 4.6 mm I.D.
Mobile phase
20 mM Phosphoric acid buffer(pH 2.4)
Frow rate
0.8 mL/min
Column temp.
ambient

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Graph

LC

Samples
Maleic acid , Pyruvic acid , Ascorbic acid , Gluconic acid , Adipic acid , Fumaric acid , Tartaric acid , Malic acid , Citric acid
Applications
Analysis of organic acid
Column
ULTRON AF-HILIC-CD (PLSS)
Column Size
150 mm L × 2.0 mm I.D.
Mobile phase
100mM CH3CO2NH4 (pH6.8) /CH3CN = 25/75
Frow rate
0.20 mL/min
Column temp.
40°C
Injection volume
2.0 µL
Diluent
mobile phase

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