GC

Samples

o-Ethoxybenzamide , Phenacetin , Caffeine , Aminopyrine , Chlorpheniramine Maleate

Applications

Medicine

Column

ULBON HR-1

Column Size

15m×0.53mm(1.0μm)

Column temp.

180°C

Carrier gas

He,7.2ml/min

Detector temp.

250°C(FID)

Injection volume

0.5μl

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GC

Samples

Ethyl acetate , Caffeine , o-Toluene sulfonamide

Applications

Analysis of saccharin using Shinwasorb

Column

DEGS 1.5% Shinwasorb-S 60/80

Column Size

1.0 m x 3.0 mm I.D. Glass

Column temp.

210°C

Carrier gas

N2,55ml/min

Injection port temp.

225°C

Detector temp.

250°C

Detector

FID

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GC

Samples

Anhydrous caffeine, Fenitrothion in Acetone

Applications

Analysis of Fenitrothion Emulsifiable Concentrate using Shinwasorb

Column

Silicone OV-210 3% Shinwasorb-S 80/100

Column Size

2.1 m x 3.2 mm I.D. Glass

Column temp.

175℃

Carrier gas

51 mL/min N₂（Adjust so that the retention time of Anhydrous caffeine is about 10 minutes.)

Injection port temp.

230°C

Detector temp.

230°C

Detector

FID

Injection volume

2.0 μL

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GC

Samples

Anhydrous caffeine, Fenitrothion in Acetone

Applications

Analysis of Fenitrothion Microcapsule using Shinwasorb

Column

Silicone OV-210 1.5% Shinwasorb-U 60/80

Column Size

2.1 m x 3.2 mm I.D. Glass

Column temp.

165℃

Carrier gas

50 mL/min N₂（Adjust so that the retention time of diazinon is about 17 minutes.)

Injection port temp.

200°C

Detector temp.

200°C

Detector

FID

Injection volume

2.0 μL

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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

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

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

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

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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%

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