GC

Samples

BHT , BHA , Fluorene(I.S.)

Applications

BHT and BHA in the margarine

Column

Silicone OV-25 3% Shimalite W 80-100 (AW-DMCS)

Column Size

2.6m×3.2mm

Column temp.

165°C

Carrier gas

N2,50ml/min

Injection port temp.

260°C

Detector temp.

260°C

Detector

FID

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LC

Samples

Prostaglandin , 2,4,5-Trihydroxybutyrophenone , Nordihydroguaiaretic acid , Butyl hydroxy anisole , Octyl gallate , 2,6-Di-tert-butyl-4-hydroxymethylphenol , Lauryl gallate , 2,6-Di-t-butyl 4-methylphenol

Applications

The phenolic system antioxidant (Added to commercial edible oil)

Column

STR ODS-II

Column Size

150 mm L × 4.6 mm I.D.

Mobile phase

A: 10 mM Phosphoric acid buffer(pH 2.6), B: CH3CN

Frow rate

1.0 mL/min

Column temp.

40°C

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LC

Samples

β-Carotene

Applications

β-Carotene

Column

ULTRON VX-ODS

Column Size

150 mm L × 4.6 mm I.D.

Mobile phase

CH3OH/Tetrahydrofuran = 9/1 + 0.05% BHT

Frow rate

1.0 mL/min

Column temp.

40°C

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