LC

Samples

Cytosine , Uracil , Guanine , Adenine , Cytidine , Uridine , Thymine , Adenosine , Guanosine , Thymidine

Applications

Nucleic acid base, Nucleoside

Column

STR ODS-II

Column Size

150 mm L × 4.6 mm I.D.

Mobile phase

0.1 M Phosphoric acid buffer (pH 2.1) + 0.2 M NaClO4

Frow rate

1.0 mL/min

Column temp.

50°C

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LC

Samples

Acetaminophen , Caffeine , Riboflavin , Phenol , Potassium guaiacol-4-sulfonate

Applications

The component of the cold remedy (2)

Column

STR ODS-II

Column Size

150 mm L × 4.6 mm I.D.

Mobile phase

H2O/CH3CN/50 mM Tetrabutylammonium = 15/2/1 (Adjusted to pH 6 with Phosphoric acid)

Frow rate

1.0 mL/min

Column temp.

50°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

Nicotinic acid , Nicotinamide , Pantothenic acid , Pyridoxine , Riboflavin phosphate , Thiamine , Caffeine , Folic acid , Biotin , Riboflavin

Applications

The water-soluble vitamin (1)

Column

STR ODS-II

Column Size

150 mm L × 4.6 mm I.D.

Mobile phase

100 mM Phosphoric acid buffer(pH 2.1) + 0.8 mM Octane sodium sulphonate/CH3CN = 9/1

Frow rate

1.0 mL/min

Column temp.

40°C

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LC

Samples

Uric acid, Hypoxanthine, Xanthine, Inosine

Applications

Uric acid, Hypoxanthine, Xanthine, Inosine

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.

25°C

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LC

Samples

Allantoin , Xanthine , Hypoxanthine , Uric acid

Applications

Uric acid metabolites

Column

ULTRON AF-HILIC-CD

Column Size

150 mm L × 2.0 mm I.D.

Mobile phase

10 mM CH3CO2NH4(pH 4.7)/CH3CN = 10/90

Frow rate

0.35 mL/min

Column temp.

30°C

Injection volume

1.0 µL

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LC

Samples

Urea , Xanthine , Lactic acid , Creatinine , Uric acid

Applications

Sweat Composition

Column

ULTRON AF-HILIC-CD (PLSS)

Column Size

150 mm L × 2.0 mm I.D.

Mobile phase

10 mM HCO2NH4(pH 3.0)/CH3CN = 10/90

Frow rate

0.30 mL/min

Column temp.

30°C

Injection volume

1.0 µL

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LC

Samples

Caffeine , Theobromine , Purine , Xanthine , Hypoxanthine , Adenine , Guanine , Uric acid , Isoguanine

Applications

Purine and purine bases

Column

ULTRON AF-HILIC-CD

Column Size

150 mm L × 2.0 mm I.D.

Mobile phase

15 mM CH3CO2NH4(pH 4.7)/CH3CN = 10/90

Frow rate

0.35 mL/min

Column temp.

30°C

Injection volume

1.0 µL

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LC

Samples

Toluene , Uridine , 2'-Deoxyuridine , 5-Methyluridine , Adenosine , Vidarabine , 2'-Deoxyguanosine , 3'-Deoxyguanosine , 4-Nitrophenyl-α-glucopyranoside , 4-Nitrophenyl-β-glucopyranoside , Theophylline , Theobromine ,

Applications

Analysis of polar compounds

Column

ULTRON AF-HILIC-CD

Column Size

100 mm L × 4.6 mm I.D.

Mobile phase

20mM CH3CO2NH4 (pH4.7) /CH3CN = 10/90

Frow rate

0.50 mL/min

Column temp.

30°C

Injection volume

4.0 µL

Diluent

mobile phase

View detail

LC

Samples

Toluene , Uridine , 2'-Deoxyuridine , 5-Methyluridine , Adenosine , Vidarabine , 2'-Deoxyguanosine , 3'-Deoxyguanosine , 4-Nitrophenyl-α-glucopyranoside , 4-Nitrophenyl-β-glucopyranoside , Theophylline , Theobromine ,

Applications

Analysis of polar compounds

Column

ULTRON AF-HILIC-DA

Column Size

100 mm L × 4.6 mm I.D.

Mobile phase

20mM CH3CO2NH4 (pH4.7) /CH3CN = 10/90

Frow rate

0.50 mL/min

Column temp.

30°C

Injection volume

4.0 µL

Diluent

mobile phase

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LC

Samples

Theophylline , 1-Methylxanthine , 1,3-Dimethyluric acid

Applications

Analysis of Theophyline and metabolites

Column

ULTRON AF-HILIC-CD

Column Size

150 mm L × 2.0 mm I.D.

Mobile phase

10mM CH3CO2NH4 (pH6.8) /CH3CN = 13/87

Frow rate

0.15 mL/min

Column temp.

30°C

Injection volume

1.0 µL

Diluent

Dissolved samples in 0.1% NaOH aq and add acetonitrile into ratio to 90%

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LC

Samples

Acesulfame K , Saccharin , Caffeine , Sorbic acid , Benzoic acid , Quinine , Aspartame

Applications

Analysis of food additives

Column

ULTRON AF-HILIC-CD

Column Size

150 mm L × 3.0 mm I.D.

Mobile phase

A: 20mM CH3CO2NH4 (pH4.7) /CH3CN = 10/90, B: 20mM CH3CO2NH4 (pH4.7) /CH3CN = 70/30

Frow rate

Refer to the picture

Column temp.

30°C

Injection volume

2.0 µL

Diluent

H2O /CH3CN = 50/50

View detail

LC

Samples

Allantoin , Xanthine , Hypoxanthine , Uric acid

Applications

Analysis of Uric acid metabolite

Column

ULTRON AF-HILIC-CD

Column Size

150 mm L × 2.0 mm I.D.

Mobile phase

10mM CH3CO2NH4 (pH4.7) /CH3CN = 10/90

Frow rate

0.35 mL/min

Column temp.

30°C

Injection volume

1.0 µL

Diluent

Dissolved samples in 0.1% NaOH aq and add acetonitrile into ratio to 50%

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LC

Samples

Caffeine , Theophylline , Theobromine , 1-Methylxanthine , Xanthine

Applications

Analysis of Xanthines

Column

ULTRON AF-HILIC-CD

Column Size

150 mm L × 2.0 mm I.D.

Mobile phase

10mM CH3CO2NH4 (pH6.8) /CH3CN = 13/87

Frow rate

0.15 mL/min

Column temp.

30°C

Injection volume

1.0 µL

Diluent

Dissolved samples in 0.1% NaOH aq and add acetonitrile into ratio to 90%

View detail