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118 matches found for spme

GC Analysis of Gasoline Residue in Arson Samples on a 100% Methyl Column after SPME using 100 μm PDMS Fiber

SPME fiber polydimethylsiloxane phase fiber, 100 µm headspace sampling (20 min) 10 sec desorption (splitless mode) (57300-U) column 100% methyl polysiloxane, 30 m x 0.25 mm I.D., 0.25 µm (Supelco equivalent, Equity-1, 28046-U) oven 35 °C (2 min) to 220 °C at 10 °C/min, hold 2 min, to 300 °C at 30 °C...

GC/MS/MS Analysis of Bisphenol A (BPA) in Pureed Carrot Baby Food on the SLB-PAHms GC Column After SPME Using an Overcoated SPME Fiber

Sample Prep Method SPME fiber overcoated PDMS/DVB, 23 gauge extraction immersion, 50 min, 50 °C, 250 rpm, vial penetration 34 mm desorption process 3 min, 260°C other sample prep information Sample was incubated prior to extraction for 10 min at 50°C, 400 rpm mixing. Fiber was washed post-extraction...

GC/MS/MS Analysis of Bisphenol A (BPA) in Canned Pumpkin on the SLB-PAHms GC Column After SPME Using an Overcoated SPME Fiber

Sample Prep Method SPME fiber overcoated PDMS/DVB, 23 gauge extraction immersion, 50 min, 50 °C, 250 rpm, vial penetration 34 mm desorption process 3 min, 260°C other sample prep information Sample was incubated prior to extraction for 10 min at 50°C, 400 rpm mixing. Fiber was washed post-extraction...

GC Analysis of Parabens in Waste Water Effluent on SLB®-5ms after SPME using 85 μm Polyacrylate Fiber

sample preparation SPME (Solid Phase Microextraction) sample/matrix 7 mL water + 1.75 gm NaCl in 10 mL vial spiked with parabens at 1 µg/L desorption process 270 °C2 min extraction immersion, 35 min SPME fiber SPME Assy, 85 µm Polyacrylate FS, 23 ga, AUTO (White), pk/3 (57294-U) column SLB-5ms, 20 m...

GC/MS/MS Analysis of Bisphenol A (BPA) in Canned Cream of Chicken Soup on the SLB-PAHms GC Column After SPME Using an Overcoated SPME Fiber

Sample Prep Method SPME fiber overcoated PDMS/DVB, 23 gauge extraction immersion, 50 min, 50 °C, 250 rpm, vial penetration 34 mm desorption process 3 min, 260°C other sample prep information Sample was incubated prior to extraction for 10 min at 50°C, 400 rpm mixing. Fiber was washed post-extraction...

GC/MS/MS Analysis of Bisphenol A (BPA) in a Fruit Flavored Energy Drink on the SLB-PAHms Column After SPME Using an Overcoated SPME Fiber

Sample Prep Method SPME fiber overcoated PDMS/DVB, 23 gauge extraction immersion, 50 min, 50 °C, 250 rpm, vial penetration 34 mm desorption process 3 min, 260°C other sample prep information Sample was incubated prior to extraction for 10 min at 50°C, 400 rpm mixing. Fiber was washed post-extraction...

GC Analysis of Multiple Pesticides on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

sample/matrix Pesticides at 10 ppb in 0.1M phosphate buffer, pH 7, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process 2 min. at 250C, splitless for 0.75 min. then opened extraction 30 min. direct immersion with agitation using CombiPal autosampler SPME fiber 60 µm Carbowax (PEG) (57354-U...

GC Analysis of Volatiles in Water on SPB®-1 after SPME using 100 μm PDMS Fiber

extraction 5 min immersed in water with rapid stirring SPME fiber polydimethylsiloxane, 100 µm (57300-U) column SPB-1, 10 m x 0.20 mm I.D., 1.2 µm (24134-U) oven 40 °C ( 0.75 min) to 160 °C at 20 °C/min carrier gas helium, 40 cm/sec sample 50ppb each analyte in 1.8 mL saturated salt water inj. temp....

GC Analysis of Phenols on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

sample/matrix Phenols at 25 ppb in 0.1M phosphate buffer, pH 2, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process (30 min. direct immersion with agitation using CombiPal autosampler) extraction 30 min direct immersion with agitation using CombiPal autosampler SPME fiber 60 µm Carbowax (...

GC Analysis of Volatiles in Water on VOCOL after SPME using 100 μm PDMS Fiber

sample/matrix 50ppb each analyte in 1.8 mL saturated salt water desorption process 230 °C, splitless (closed 3 min) extraction 5 min immersed in water with rapid stirring SPME fiber polydimethylsiloxane, 100 µm film (57300-U) column VOCOL, 10 m x 0.20 mm I.D., 1.2 µm (24129-U) oven 40 °C (0.75 min),...

GC Analysis of Volatiles on VOCOL® after SPME using 75 μm Carboxen/PDMS Fiber

sample/matrix 1 ppb each analyte in 3 mL water (25% NaCl added) in 4 mL vial desorption process 5 min., 310 °C extraction headspace, 40C (20 min), with stirring SPME fiber Carboxen/PDMS, 75 µm (57318) column VOCOL®, 30 m x 0.25 mm I.D., 1.5 µm (24205-U) oven 40C (2 min) to 210C at 8C/min carrier gas...

GC Analysis of Residual Solvents on SPB®-624 after SPME using 100 μm PDMS Fiber

extraction headspace or immersion sampling (15 min) 1 min desorption SPME fiber polydimethylsiloxane, 100 µm (57300-U) column SPB-624, 75 m x 0.53 mm I.D., 3.0 µm (25432) oven 40 °C (35 min) to 220 °C at 40 °C/min, hold 5 min carrier gas helium, 35 cm/sec inj. temp. splitless (closed 3 min), 200 °C ...

GC Analysis of Volatiles in Gin on VOCOL® after SPME using 50/30 μm DVB/Carboxen®/PDMS Fiber

sample preparation Solid Phase Microextraction sample/matrix 4 mL gin (94.6 proof) in a 10 mL vial (no salt added) desorption process 270 °C for 3 min extraction headspace, 40 °C for 15 min with agitation SPME fiber 50/30 µm divinylbenzene/Carboxen®/polydimethylsiloxane on StableFlex™ (57298-U) colu...

GC Analysis of Semivolatiles on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

sample/matrix Base neutral analytes at 50 ppb and internal standards 25 ppb in 0.1M phosphate buffer, pH 11, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process 2 min at 250C, splitless for 0.75 min then opened extraction 30 min. direct immersion with agitation using CombiPal autosampler ...

GC Analysis of Parabens on SLB®-5ms after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

sample/matrix parabens, each at 200 ppb in 3 mL water + 25% sodium chloride in a 4 mL vial desorption process 260 °C, 2 min extraction immersion with stirring, 25 °C (15 min) SPME fiber metal fiber assembly coated with 50/30 µm DVB/Carboxen/PDMS (57912-U) column SLB-5ms, 20 m x 0.18 mm I.D., 0.36 µm...

GC Analysis of Triazine Herbicides on SLB®-5ms after SPME using 60 μm Carbowax® Fiber

sample/matrix Triazine herbicides at 2 ppb in 0.1M phosphate buffer, pH 7, with 25% NaCl, 9 mL in 10 mL screw cap vial desorption process 2 min at 250C, splitless for 0.75 min then opened extraction 30 min direct immersion with agitation using CombiPal program SPME fiber 60 µm Carbowax (PEG) (57354-...

GC Analysis of Solvents in Water on SPB®-1 SULFUR after SPME using 75 μm Carboxen/PDMS Fiber

sample/matrix solvents at 20 ppb in 4 mL water + 25% NaCl in 4 mL vial desorption process 270 °C, 5 min extraction immersion, 10 min, rapid stirring SPME fiber carboxen/PDMS, 75 µm (57318) column SPB-1 SULFUR, 30 m x 0.32 mm I.D., 4.0 µm film (24158) oven 50C (2 min) to 150C at 10C/min carrier gas h...

GC Analysis of Class 3 Residual Solvents on Equity®-1 after SPME using 100 μm PDMS Fiber

sample/matrix 2 mL water + sodium chloride at 25% (pH 2) containing each analyte at 5 ppm, in a 4 mL vial desorption process 250 °C for 3 min extraction heated headspace, 60 °C for 5 min SPME fiber 100 µm PDMS, 24 ga manual (57300-U) column Equity-1, 10 m x 0.20 mm I.D., 1.2 µm (28043-U) oven 40 °C ...

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 Class 3 Residual Solvents on VOCOL® after SPME using 100 μm PDMS Fiber

sample/matrix 2 mL water + sodium chloride at 25% (pH 2) containing each analyte at 5 ppm, in a 4 mL vial desorption process 250 °C for 3 min extraction heated headspace, 60 °C for 5 min SPME fiber 100 µm PDMS, 24 ga, manual (57300-U) column VOCOL, 10 m x 0.20 mm I.D., 1.2 µm (24129-U) oven 40 °C (0...

HPLC Analysis of PAHs in Water on SUPELCOSIL™ LC-PAH after SPME using 100 μm PDMS Fiber

sample/matrix 5 µL PAH mix (Cat. No. 4-8743) in 5 mL water desorption process static, 200 µL acetonitrile:water, 40:60, 2 min extraction immersion, 30 min (rapid stirring) SPME fiber polydimethylsiloxane, 100 µm (57301) column SUPELCOSIL LC-PAH, 15 cm x 4.6 mm I.D., 5 µm particles (58318) mobile pha...

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...

GC Analysis of Aroma Fusel Alcohols in Grappa Sample 1 on Watercol™ 1910 after Headspace SPME using 75 μm Carboxen®/PDMS Fiber, MSD

sample preparation Solid Phase Microextraction sample/matrix 0.5 mL grappa sample 1 in a 2 mL vial desorption process 300 °C for 1.1 min extraction headspace, 60 °C for 45 min SPME fiber 75 µm Carboxen®/polydimethylsiloxane on a fused silica core (57318) column Watercol 1910, 30 m x 0.25 mm I.D., 0....

GC Analysis of Trichloroanisole (TCA) and Precursors in Red Wine (Spiked) on SLB-5ms after SPME using 100 μm PDMS Fiber

sample/matrix 1.5 mL red wine spiked with each analyte at 100 ng/L + 600 µL 5% potassium carbonate (K2CO3) + 240 mg sodium chloride (NaCl) + 60 µL acetic anhydride desorption process 250 °C for 3 min extraction headspace, 50 °C for 30 min, with stirring SPME fiber metal fiber coated with 100 µm PDMS...

GC Analysis of Organochlorine Pesticides in Water on SPB®-5 after SPME using 100 μm PDMS Fiber

sample/matrix 200 ppt each in 2 mL water extraction 15 min immersed in water with rapid stirring SPME fiber polydimethylsiloxane, 100 µm (57300-U) column SPB-5, 15 m x 0.20 mm I.D., 0.20 µm (24165-U) oven 120 °C (1 min) to 180 °C at 30 °C/min, then to 290 °C at 10 °C/min carrier gas helium, 37 cm/se...

GC Analysis of Fresh and Rancid Potato Chips on SPB®-1 SULFUR after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

sample/matrix 3 g crushed potato chips in 15 mL vial desorption process 3 min, 250 °C extraction headspace, 65 C, 20 min, with stirring SPME fiber DVB/Carboxen/PDMS, 50/30 µm, StableFlex (57328-U) column SPB-1 SULFUR, 30 m x 0.32 mm I.D., 4.0 µm (24158) oven 45 °C (1.5 min) to 250 °C at 12 °C/min, h...

GC Analysis of Phthalate Esters in Extra Virgin Olive Oil (Spiked) on SLB®-5ms after SPME using 100 μm PDMS Fiber

sample/matrix 0.5 g extra virgin olive weighed into a 10 mL glass centrifuge tube, spiked with phthalate esters at 2 mg/kg, 3 mL acetonitrile added (vortexed 30 sec, centrifuged 10 min at 3000 rpm, 1.5 mL acetonitrile from the top transferred to a 2 mL vial) desorption process 280 °C for 5 min, spli...

GC Analysis of Pyrazines in Peanut Butter on SUPELCOWAX® 10 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

sample/matrix 5 g peanut butter in 40 mL vial desorption process 270 °C for 5 min extraction headspace, 30 min at 65 °C in heating block SPME fiber divinylbenzene-Carboxen-polydimethylbenzene StableFlex (57328-U) column SUPELCOWAX 10, 30 m x 0.25 mm, 0.25 µm (24079) oven 40 °C (5 min) to 230 °C at 4...

GC Analysis of Aroma Fusel Alcohols in Grappa Sample 2 on Watercol™ 1910 after Headspace SPME using 75 μm Carboxen®/PDMS Fiber, MSD

sample preparation Solid Phase Microextraction sample/matrix 0.5 mL grappa sample 2 in a 2 mL vial desorption process 300 °C for 1.1 min extraction headspace, 60 °C for 45 min SPME fiber 75 µm Carboxen®/polydimethylsiloxane on a fused silica core (57318) column Watercol 1910, 30 m x 0.25 mm I.D., 0....

GC Analysis of Volatiles in Irish Whiskey on VOCOL® after SPME using 50/30 μm DVB/Carboxen®/PDMS Fiber

sample preparation Solid Phase Extraction sample/matrix 4 mL Irish whiskey (80 proof) in a 10 mL vial (no salt added) desorption process 270 °C for 3 min extraction 50/30 µm divinylbenzene/Carboxen®/polydimethylsiloxane on StableFlex™ (57298-U) SPME fiber 50/30 µm divinylbenzene/Carboxen®/polydimeth...