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    Search term:"fragrance"

    202 matches found for fragrance

    HPLC Analysis of 2-Phenylpropionic Acid Enantiomers on Astec® CYCLOBOND® I 2000 HP-RSP

    column CYCLOBOND I 2000 HP-RSP, 25 cm x 4.6 mm I.D., 5 µm particles (24024AST) column temp. 25 °C mobile phase [A] 10 mM ammonium acetate, pH 4.0; [B] acetonitrile; (75:25, A:B) flow rate 1 mL/min sample 1 mg/mL in methanol injection 1 µL detector UV, 235 nm Categories Analytical Chromatography, Chi...

    GC Analysis of Petitgrain Essential Oil on SLB®-5ms

    column SLB-5ms, 30 m x 0.25 mm I.D., 0.25 µm (28471-U) oven 75 °C (8 min), then 4 °C/min to 200 °C (15 min) carrier gas helium, 25cm/ sec set at 110C sample Petitgrain Oil, Paraguay, neat (W523607) injection 0.1 µL100:1 split liner 4 mm I.D. cup injector inj. temp. 250 °C detector FID, 250 °C Catego...

    GC Analysis of Petitgrain Essential Oil on Equity®-1, 50 °C Initial Oven Temp.

    column Equity-1, 30 m x 0.25 mm I.D., 0.25 µm (28046-U) oven 50 °C (0 min), then 3 °C/min to 250 °C (10 min) carrier gas helium, 25cm/ sec set at 110C sample Petitgrain Oil, Paraguay, neat (W523607) injection 0.1 µL, 100:1 split liner 4 mm I.D. cup injector inj. temp. 250 °C detector FID, 260 °C Cat...

    GC Analysis of Petitgrain Essential Oil on Equity®-1

    column Equity-1, 30 m x 0.25 mm I.D., 0.25 µm (28046-U) oven 75 C (8 min), then 4 °C/min to 200 °C (15 min) carrier gas helium, 25cm/ sec set at 110C sample Petitgrain Oil, Paraguay, neat (W523607) injection 0.1 µL, 100:1 split liner 4 mm I.D. cup injector inj. temp. 250 °C detector FID, 250 °C Cate...

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

    sample/matrix red wine spiked with 5 ppt TCA desorption process 250 °C for 3 min extraction headspace, room temp (30 min) SPME fiber 100 µm PDMS metal fiber (57928-U) condition 3 min. at 250 °C column SLB®-5ms, 30 m x 0.25 mm I.D., 0.25 µm (28471-U) oven 60 °C (2 min), 8 °C/min to 200 °C (10 min) ca...

    HPLC Analysis of Diet Soda Additives on Ascentis® Express C18

    column Ascentis Express C18, 3 cm x 4.6 mm I.D., 2.7 µm particles (53818-U) column temp. 40 °C mobile phase 20% A constant; 75 to 20% B, 5 to 60% C in 1 min; held at 20% B, 60% C for 0.1 min flow rate 3 mL/min pressure 3191 psi (220 bar) sample (Diet Soda 100 - 500 µg/mL in buffer) injection 1 µL de...

    GC Analysis of Volatiles in Eucalyptus Honey on SUPELCOWAX® 10 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

    sample/matrix 5 g eucalyptus honey + 5 mL bidistilled water in a 20 mL vial, allowed to equilibrate at 50 °C for 15 min with magnetic stirring desorption process 250 °C for 2 min extraction headspace, 50 °C for 40 min with magnetic stirring SPME fiber StableFlex 2cm SPME Fiber, 50/30 µm DVB/CARBOXEN...

    GC Analysis of Volatiles in Milk (Before and After Exposure to Sunlight) on Supel-Q™ PLOT after SPME using a 75 μm PDMS/Carboxen Fiber

    sample/matrix 3 g of 2% milk + 10 µL internal standard solution (20 µg/mL 4-methyl-2-pentanone) (9 mL GC vial) desorption process 5 min, 250 °C extraction headspace, 15 min with constant stirring at 45 °C SPME fiber PDMS/Carboxen, 75 µm (57318) column Supel-Q PLOT, 30 m x 0.32 mm I.D. (24242) oven 7...

    GC Analysis of Water (0.01-0.5%Calibration Curve) on Watercol™ 1460

    column Watercol 1460, 30 m x 0.25 mm I.D., 0.20 µm (29695-U) oven 60 °C (12 min) carrier gas helium, 26 cm/sec sample 5 standards, water at 0.01, 0.05, 0.1, 0.3, and 0.5% (v/v), each in ethanol injection 0.5 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 ...

    GC Analysis of Volatiles in Roasted Arabica Coffee on SUPELCOWAX® 10 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

    sample/matrix Arabica coffee beans, roasted, 2 grams with pre-equilibration of 10 min at 60 °C, the entire process under agitation at 500 rpm desorption process 5 min extraction headspace, 40 min at 60 °C SPME fiber DVB/Carboxen/PD, 50/30 µm, Stableflex (57328-U) column SUPELCOWAX 10, 30 m x 0.25 mm...

    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 a QC Test Mix Before/After Repeat 60%Water Injections on Watercol™ 1910

    column Watercol 1910, 30 m x 0.25 mm I.D., 0.20 µm (29711-U) oven 163 °C carrier gas helium, 26 cm/sec sample 6 analytes in acetone, each at 1 mg/mL except water (at 0.5 mg/mL) injection 0.5 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 °C Analysis Note ...

    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 ...

    HPLC Analysis of Diet Soda Additives on Ascentis® Express RP-Amide

    column Ascentis Express RP-Amide, 3 cm x 4.6 mm I.D., 2.7 µm particles (53921-U) column temp. 40 °C mobile phase [A] 20 mM ammonium acetate, pH 5.6 with acetic acid; [B] water; [C] acetonitrile gradient 20% A constant; 75 to 20% B, 5 to 60% C in 1 min; held at 20% B, 60% C for 0.1 min flow rate 3.0 ...

    GC Analysis of Water (100%Standard) on Watercol™ 1460

    column Watercol 1460, 30 m x 0.25 mm I.D., 0.20 µm (29695-U) oven 60 °C (12 min) carrier gas helium, 26 cm/sec sample water injection 0.1 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 °C Analysis Note The "Watercol" series of ionic liquid capillary GC co...

    GC Analysis of a QC Test Mix Containing Water on Watercol 1900, 96 °C

    column Watercol 1900, 30 m x 0.25 mm I.D., 0.20 µm (29761-U) oven 96 C carrier gas helium, 26 cm/sec sample 6 analytes in acetone, each at 1 mg/mL except water (at 0.5 injection 1 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 °C Analysis Note The "Waterc...

    GC Analysis of Basic Drugs on SLB®-5ms (20 m x 0.18 mm I.D., 0.36 μm) after SPME using 65 μm PDMS/DVB Fiber, Fast GC Analysis

    sample/matrix 500 µg/L of each compound in 2 mL 0.05M phosphate buffer, 25% sodium chloride, pH=11 desorption process 2 min, 250 °C extraction 15 min, fiber immersion in water, room temperture, stirring at 450 rpm SPME fiber Polyacrylate, 85 µm (57304); PDMS/DVB Stableflex, 65 µm (57326-U) column SL...

    GC Analysis of Water (0.01-0.5%Calibration Curve) on Watercol™ 1910

    column Watercol 1910, 30 m x 0.25 mm I.D., 0.20 µm (29711-U) oven 80 °C (10 min) carrier gas helium, 26 cm/sec sample 5 standards, water at 0.01, 0.05, 0.1, 0.3, and 0.5% (v/v), each in ethanol injection 0.5 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 ...

    GC Analysis of Volatiles in Roasted Coffee Beans on Omegawax® after SPME using a 50/30 μm DVB/Carboxen/PDMS Fiber

    sample/matrix 2 g of coffee beans desorption process 260 °C for 5 min extraction headspace, with a pre-equilibration period of 10 min. at 60 °C, and then a fiber exposure of 40 min. at 60 °C, agitated in an alternate clockwise-anticlockwise rotation mode at 500 rpm SPME fiber 50/30 µm divinylbenzene...

    HPLC Analysis of Maté Leaves on Ascentis® Express C18

    sample/matrix UAE (Ultrasonic Extraction) maté extract (dried and minced leaves (7.5 g) from maté were extracted with 225 mL of methanol in an ultrasonic bath, thermostated at 75 +/- 0.5 °C (potency: 90 W; frequency: 40 kHz)) column Ascentis Express C18, 150 x 4.6 mm I.D., 2.7 µm particles (53829-...

    GC Analysis of Resveratrol in Red Wine on SLB®-5ms after SPME using 85 μm Polyacrylate Fiber

    sample/matrix 3 mL of red wine (California merlot) diluted 3:1 in 12% ethanol:water desorption process 280 °Cfor 2 min extraction immersion for 15 min at room temperature while stirring at 400 rpm, fiber gently blotted with a Kimwipe to remove excess water, (then derivatization by immersion in a 4 m...

    GC Analysis of Xylenols on SLB®-IL76i

    column SLB®-IL76i, 30 m x 0.25 mm I.D., 0.20 μm (29869-U) oven 150 °C carrier gas helium, 30 cm/sec, constant sample 6 xylenols, each at 100 μg/mL in dichloromethane injection 1 μL, 100:1 split liner 3.5 mm I.D., splitless type, wool packed inj. temp. 250 °C detector MSD, m/z 50-500 MSD interface 27...

    GC Analysis of a QC Test Mix Before/After Repeat 100%Water Injections on Watercol™ 1460

    column Watercol 1460, 30 m x 0.25 mm I.D., 0.20 µm (29695-U) oven 110 °C carrier gas helium, 26 cm/sec sample 6 analytes in acetone, each at 1 mg/mL except water (at 0.5 mg/mL) injection 1 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 °C Analysis Note Th...

    GC Analysis of Repeat Injections of a QC Test Mix Containing Water on Watercol™ 1910, 96 °C

    column Watercol 1910, 30 m x 0.25 mm I.D., 0.20 µm (29711-U) oven 96 C carrier gas helium, 26 cm/sec sample 6 analytes in acetone, each at 1 mg/mL except water (at 0.5 mg/mL) injection 1 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 °C Analysis Note The ...

    GC Analysis of a QC Test Mix Containing Water on Watercol™ 1460, 110 °C

    column Watercol 1460, 30 m x 0.25 mm I.D., 0.20 µm (29695-U) oven 110 °C carrier gas helium, 26 cm/sec sample 6 analytes in acetone, each at 1 mg/mL except water (at 0.5 mg/mL) injection 1 µL, 100:1 split liner 4 mm I.D., split type, cup design inj. temp. 250 °C detector TCD, 200 °C Analysis Note Th...

    GC Analysis of Aldehydes (PFBOA Derivatives) in Beer on SLB®-5ms after SPME using a 65 μm PDMS/DVB Fiber

    sample preparation derivatization procedure: Add 100 µL of PFBOA solution (6 g/L) to 10 mL of deionized water in a 20 mL glass vial and seal. (Insert the PDMS/DVB SPME fiber in the headspace of the PFBOA solution for 10 min at 50 °C.) sample/matrix 10 mL of degassed beer, 3.5 gm sodium chloride in 2...

    GC Analysis of Methoxyphenols on SLB®-IL76i

    column SLB®-IL76i, 30 m x 0.25 mm I.D., 0.20 μm (29869-U) oven 180 °C (1 min), 20 °C/min to 240 °C (4 min) carrier gas helium, 30 cm/sec injection 1 μL, 100:1 split liner 3.5 mm I.D., split/splitless, wool packed design inj. temp. 250 °C detector MSD, full scan, m/z 50-500 MSD interface 270 °C Analy...

    GC Analysis of Water in Ethanol (0.25%Standard) on Watercol™ 1910

    column Watercol 1910, 30 m x 0.25 mm I.D., 0.20 µm (29711-U) oven 45 °C (4 min), 5 °C/min to 75 °C, 10 °C/min to 190 °C carrier gas helium, 20 cm/sec (measured in each column at an oven temperature of 135 °C) sample water at 0.25% (v/v) in ethanol injection 1 µL, 50:1 split liner 4 mm I.D., split/sp...

    HPLC Analysis of Diet Soda Spiked with Neotame on Ascentis® Express C18

    column Ascentis Express C18, 3 cm x 4.6 mm I.D., 2.7 µm particles (53818-U) column temp. 40 °C mobile phase [A] 100 mM ammonium acetate, pH 5.6 (titrated with acetic acid); [B] water; [C] acetonitrile gradient 20% A constant; 75 to 20% B, 5 to 60% C in 1 min; held at 20% B, 60% C for 0.1 min flow ra...

    GC Analysis of Water Impurity in C1-C6 Alcohols on Watercol™ 1910

    column Watercol 1910, 30 m x 0.25 mm I.D., 0.20 µm (29711-U) oven 40 °C (2 min), 4 °C/min to 125 °C (1 min) carrier gas helium, 1.1 mL/min sample 10-component alcohol mix in methylene chloride, 500 µg/mL total concentration (mixture adsorbed some water during storage) injection 1 µL, 100:1 split lin...