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

Shinwa Chemical Industries
Application Search

Search result
"Xanthine" Filtered 14 Item.

Graph

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

View detail


Graph

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

View detail


Graph

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

View detail


Graph

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

View detail


Graph

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

View detail


Graph

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

View detail


Graph

LC

Samples
Theophylline , 1.7-Dimethylxanthine , Theobromine
Applications
Xanthines
Column
ULTRON AF-HILIC-CD
Column Size
150 mm L × 2.0 mm I.D.
Mobile phase
10 mM CH3CO2NH4(pH 6.8)/CH3CN = 13/87
Frow rate
0.15 mL/min
Column temp.
30°C
Injection volume
1.0 µL

View detail


Graph

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

View detail


Graph

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

View detail


Graph

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


Graph

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

View detail


Graph

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%

View detail


Graph

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%

View detail


Graph

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