GC

Samples

Acetic Acid , Propionic Acid , Isobutyric Acid , Butyric Acid . Isovaleric Acid , Isocaproic Acid , Caproic Acid , Enanthic Acid

Applications

[ DEGS + H3PO4 ] Apprication of Lower free fatty acid

Column

DEGS+H3PO4(10%+1%) Chromosorb W 80-100 (AW-DMCS)

Column Size

2.1m×3.2mm

Column temp.

160°C

Carrier gas

N2,50ml/min

Injection port temp.

250°C

Detector temp.

250°C(FID)

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GC

Samples

Sorbic Acid , Dehydroacetic Acid , Benzoic Acid , trans-Stilbene

Applications

Antiseptics (2)

Column

DEGS+H3PO4(2%+0.5%) Chromosorb W 60-80 (AW-DMCS)

Column Size

2.1m×3.2mm

Column temp.

200°C

Carrier gas

N2,40ml/min

Injection port temp.

260°C

Detector temp.

260°C(FID)

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GC

Samples

Sorbic Acid , Dehydroacetic Acid , Benzoic Acid , trans-Stilbene(I.S.)

Applications

Antiseptics (1)

Column

DEGS+H3PO4(5%+1%) Chromosorb W 60-80 (AW-DMCS)

Column Size

2.1m×3.2mm

Column temp.

185°C

Carrier gas

N2,60ml/min

Injection port temp.

260°C

Detector temp.

260°C(FID)

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GC

Samples

Sorbic acid , Dehydroacetic acid , Benzoic acid , trans-Stilbene

Applications

Analysis of preservatives using Shinwasorb -1-

Column

DEGS+H3PO4 5.0+0.5% Shinwasorb-S 40/60

Column Size

2.1 m x 3.2 mm I.D. Glass

Column temp.

185℃

Carrier gas

50 mL/min N₂

Injection port temp.

260℃

Detector temp.

260℃

Detector

FID

Injection volume

1.0 μL

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