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18 matches found for Terpenes

GC Analysis of Terpenes in Hops (Cascade Variety) on Equity®-1 after Headspace SPME using 50/30 μm DVB/CAR/PDMS Fiber

sample preparation 30 min equilibration at 40 °C prior to extraction sample preparation fiber postbake after extraction, 3 min at 270 °C sample/matrix ground Cascade variety hop pellets desorption process 3 min, 270 °C extraction 20 min, headspace, 40 °C SPME fiber Divinylbenzene/Carboxen/Polydimeth...

GC Analysis of Terpenes in Cannabis on Equity®-1 after Headspace SPME using 50/30 μm DVB/CAR/PDMS Fiber

sample preparation 30 min equilibration at 40 °C prior to extraction sample preparation fiber postbake after extraction, 3 min at 270 °C sample/matrix 0.5 g dried cannabis in 10 mL headspace vial desorption process 3 min, 270 °C extraction 20 min, headspace, 40 °C SPME fiber Divinylbenzene/Carboxen/...

GC Analysis of Terpenes in Hops (US Goldings) on Equity®-1 after Headspace SPME using 50/30 μm DVB/CAR/PDMS Fiber

sample preparation 30 min equilibration at 40 °C prior to extraction sample preparation fiber postbake after extraction, 3 min at 270 °C sample/matrix ground US Golding hop pellets desorption process 3 min, 270 °C extraction 20 min, headspace, 40 °C SPME fiber Divinylbenzene/Carboxen/Polydimethylsil...

Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets

Ginkgo is one of the oldest medicinal plants on earth. Originally it comes from China but nowadays it is cultivated all over the world. The plant contains various flavonoids and terpenes, which are responsible for the positive properties of Ginkgo. The ingredients protect the cells in the human body...

GC Analysis of cis/trans Limonene Oxide Enantiomers on Astec® CHIRALDEX® B-PH

column Astec CHIRALDEX B-PH, 30 m x 0.25 mm I.D., 0.12 µm (71023AST) oven 90 °C carrier gas helium, 24 psi sample 3 mg/mL in methylene chloridepeak 1: d-cis or d-trans limonene oxidepeak 2: l-cis and trans limonene oxidepeak 3: d-trans or d-cis limonene oxide injection 1 µL, 80:1 split inj. temp. 25...

GC Analysis of β-Pinene Enantiomers on Astec® CHIRALDEX® B-DM

column Astec CHIRALDEX B-DM, 30 m x 0.25 mm I.D., 0.12 µm (77023AST) oven 70 °C carrier gas helium, 30 psi sample 5 mg/mL in ethanolpeak 1: d-beta-pinenepeak 2: l-beta-pinene injection 0.2 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Analysis Note Elution order reversal on CHIRALDEX G-DP. C...

GC Analysis of α-Pinene Enantiomers on Astec® CHIRALDEX® G-DP

column Astec CHIRALDEX G-DP, 30 m x 0.25 mm I.D., 0.12 µm (78033AST) oven 50 °C carrier gas helium, 30 psi sample 4 mg/mL in methylene chloridepeak 1: d-alpha-pinene (R(+)-alpha-pinene)peak 2: l-alpha-pinene (S(-)-alpha-pinene) injection 1 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Catego...

GC Analysis of Lemon Essential Oil on SLB®-IL59, 3 °C/min Oven Ramp

column SLB-IL59, 30 m x 0.25 mm I.D., 0.2 µm (28891-U) oven 50 °C, 3 °C/min to 300 °C carrier gas helium, 30 cm/sec, constant detector FID Analysis Note The volatile fraction of essential oils represents a quite complex matrix, being composed of a large variety of compounds, mainly terpenes, sesquit...

GC Analysis of β-Pinene Enantiomers on Astec® CHIRALDEX® B-PM

column Astec CHIRALDEX B-PM, 30 m x 0.25 mm I.D., 0.12 µm (76023AST) oven 50 °C carrier gas helium, 30 psi sample 5 mg/mL in ethanolpeak 1: d-beta-pinenepeak 2: l-beta-pinene injection 0.2 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Categories Analytical Chromatography, GC Applications, En...

GC Analysis of Spearmint Essential Oil on SLB®-IL59

column SLB-IL59, 30 m x 0.25 mm I.D., 0.2 µm (28891-U) oven 50 °C, 3 °C/min to 300 °C carrier gas helium, 30 cm/sec, constant detector FID Analysis Note The volatile fraction of essential oils represents a quite complex matrix, being composed of a large variety of compounds, mainly terpenes, sesquit...

GC Analysis of α-Pinene Enantiomers on Astec® CHIRALDEX® B-DM

column Astec CHIRALDEX B-DM, 30 m x 0.25 mm I.D., 0.12 µm (77023AST) oven 50 °C carrier gas helium, 30 psi sample 4 mg/mL in methylene chloridepeak 1: l-alpha-pinene (S(-)-alpha-pinene)peak 2: d-alpha-pinene (R(+)-alpha-pinene) injection 1 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Analys...

GC Analysis of β-Pinene Enantiomers on Astec® CHIRALDEX® G-DP

column Astec CHIRALDEX G-DP, 30 m x 0.25 mm I.D., 0.12 µm (78033AST) oven 70 °C carrier gas helium, 30 psi sample 5 mg/mL in ethanolpeak 1: l-beta-pinenepeak 2: d-beta-pinene injection 0.2 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Analysis Note Elution order reversal on CHIRALDEX B-DM an...

GC Analysis of α-Pinene Enantiomers on Astec® CHIRALDEX® B-PM

column Astec CHIRALDEX B-PM, 30 m x 0.25 mm I.D., 0.12 µm (76023AST) oven 50 °C carrier gas helium, 30 psi sample 4 mg/mL in methylene chloridepeak 1: l-alpha-pinene (S(-)-alpha-pinene)peak 2: d-alpha-pinene (R(+)-alpha-pinene) injection 1 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Analys...

GC Analysis of Verbenone Enantiomers on Astec® CHIRALDEX® B-TA

column Astec CHIRALDEX B-TA, 30 m x 0.25 mm I.D., 0.12 µm (73023AST) oven 120 °C carrier gas helium, 30 psi sample 2.5 mg/mLpeak 1: S(-)-verbenonepeak 2: R(+)-verbenone injection 1 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Analysis Note Can reverse elution order by using CHIRALDEX G-TA. ...

GC Analysis of Verbenone Enantiomers on Astec® CHIRALDEX® G-TA

column Astec CHIRALDEX G-TA, 30 m x 0.25 mm I.D., 0.12 µm (73033AST) oven 120 °C carrier gas helium, 30 psi sample 2.5 mg/mLpeak 1: R(+)-verbenonepeak 2: S(-)-verbenone injection 1 µL, 80:1 split inj. temp. 250 °C detector FID, 250 °C Analysis Note Can reverse elution order by using CHIRALDEX B-TA. ...

GC Analysis of Terpinen-4-ol and Methyl Mandelate Enantiomers on α-DEX 120, β-DEX 120, and γ-DEX 120

column 30 m x 0.25 mm I.D., 0.25 µm (alpha-DEX 24310, beta-DEX 24304, gamma-DEX 24307) oven 130 °C carrier gas helium, 35 cm/sec sample 1 mg/mL in methylene chloride injection 1 µL100:1 split inj. temp. 250 °C detector FID, 300 °C Categories Analytical Chromatography, GC Applications, Enantiomers, T...

GC Analysis of Cold Pressed Bergamot Essential Oil on SLB®-5ms

column SLB-5ms, 30 m x 0.25 mm I.D., 0.25 µm (28471-U) oven 50 °C, 3 °C/min to 250 °C (5 min) carrier gas helium, 30 cm/sec, constant sample cold pressed bergamot oil injection Wet needle, 100:1 split inj. temp. 250 °C detector FID, 300 °C Analysis Note Bergamot oil is used in cosmetic preparations ...

Selecting a GC Column for Specific Industries/Applications

We know that only the most accurate analytical products will do. That’s why we offer the Supelco portfolio of analytical GC columns, providing you the accuracy, precision and consistency you need. Gas chromatography, first established in the 1950′s, is a mature analytical technique with many establi...