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"Xanthine" Filtered 14 Item.

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

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

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

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

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

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

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

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%

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%

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%