632
GC CHROMATOGRAMS |
FOODS, FLAVORS & FRAGRANCES
Food Contaminants
Column:
Rt
®
-XLSulfur, 100/120 mesh, 1m, 0.75mm ID
Sulfinert
®
tubing (cat.# 19806)
Conc.:
sulfur standard @ 20ppb each in CO
2
Inj.:
1cc sample loop, 6-port Valco
®
valve
Carrier gas:
helium
Flow rate:
10mL/min. @ ambient temp.
Oven temp.:
60°C to 260°C @ 15°C/min. (hold 5 min.)
Det. sensitivity: SCD, attn. x 1
Det. temp.:
800°C
GC_FF00491
Sulfur Compounds in Beverage Grade CO
2
Rt®-XLSulfur
1. hydrogen sulfide
2. carbonyl sulfide
3. methyl mercaptan
4. ethyl mercaptan and/or
dimethyl sulfide
5. dimethyl disulfide
GC_FF00494
Column:
Rt
®
-XLSulfur, 100/120 mesh, 1m, 0.75mm ID
Sulfinert
®
tubing (cat.# 19806)
Conc.:
headspace of a domestic (US) beer sample
Inj.:
1cc sample loop, 6-port Valco
®
valve
Carrier gas:
helium
Flow rate:
10mL/min. @ ambient temp.
Oven temp.:
60°C to 260°C @ 15°C/min. (hold 5 min.)
Det. sensitivity: SCD, attn. x 1
Det. temp.:
800°C
1. hydrogen sulfide
2. methyl mercaptan
3. dimethyl sulfide and/or
ethyl mercaptan
4. unknown
Sulfur Compounds in Beer
Rt®-XLSulfur
(Headspace/GC)
Sulfur Compounds in Beer
Rt®-XLSulfur
(Headspace/GC)
GC_FF00487
Column:
Rt
®
-XLSulfur, 100/120 mesh, 1m,
0.75mm ID Sulfinert
®
tubing
(cat.# 19806)
Conc.:
headspace of an imported
(Canada) beer sample
Inj.:
1cc sample loop,
6-port Valco
®
valve
Carrier gas:
helium
Flow rate:
10mL/min. @ ambient temp.
Oven temp.:
60°C to 260°C @
15°C/min. (hold 5 min.)
Det. sensitivity: SCD, attn. x 1
Det temp:
800°C
1. hydrogen sulfide
2. methyl mercaptan
3. dimethyl sulfide and/or
ethyl mercaptan
4. unknown
Sulfur Compounds in Beer
Rt®-XLSulfur
(Headspace/GC)
GC_FF00483
Column:
Rt
®
-XLSulfur, 100/120 mesh, 1m,
0.75mm ID Sulfinert
®
tubing
(cat.# 19806)
Conc.:
headspace of an imported
(Mexico) beer sample
Inj.:
1cc sample loop,
6-port Valco
®
valve
Carrier gas:
helium
Flow rate:
10mL/min. @ ambient temp.
Oven temp.:
60°C to 260°C @
15°C/min. (hold 5 min.)
Det. sensitivity: SCD, attn. x 1
Det temp:
800°C
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Mar 2011
