Product Category
Materials Science(180)

Available for Sale

Search term:"fragrance"

Compare Products: Select up to 4 products.

*Please select more than one item to compare

203 matches found for fragrance

HPLC Analysis of Diet Soda Spiked with Neotame 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] 100 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 m...

GC Analysis of Water (0.05-1%Calibration Curve) on Watercol™ 1460

column Watercol 1460, 30 m x 0.25 mm I.D., 0.20 µm (29695-U, two identical columns installed in the same inlet, each going to a separate detector) oven 45 °C (4 min), 5 °C/min to 75 °C, 10 °C/min to 220 °C (10 min) carrier gas helium, 20 cm/sec (measured in each column at an oven temperature of 135 ...

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 ...

HPLC Analysis of Flavonoids in Lime Juice on Ascentis® Express C18

sample preparation SPE (Solid Phase Extraction) sample/matrix lime juice hand-squeezed in laboratory, centrifuged and filtered through a 0.45 µm nylon filter disc (Acrodisc) column Ascentis Express C18, 5 cm x 4.6 mm I.D., 2.7 µm particles (53826-U) column temp. ambient mobile phase [A] water/formic...

GC Analysis of a QC Test Mix Containing Water on Watercol 1910, 163 °C

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 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 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...

US EPA Method 524.2: GC Analysis of Volatiles on SPB-624 after Purge & Trap using "K" Trap

sample preparation purge is 40 mL/min at 25 °C for 11 min sample/matrix each analyte at 10 ppb in 25 mL water purge trap VOCARB 3000 "K" (24940-U) dry purge 2 min desorption preheat 205 °C desorption process 40 mL/min at 210 °C for 2 min bake 260 °C for 10 min column SPB-624, 30 m x 0.25 mm I.D., 1....

GC Analysis of Water in Ethanol (20%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 at 20% (v/v) 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 °C Analysis Note The "Watercol" series of ioni...

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

sample/matrix 5 g multifloral 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 2 cm 50/30 µm divinylbenzene/carboxen on polydi...

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 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 Neroli Essential Oil on SLB®-5ms

column F.S. CAP. SLB-5ms 30 m x 0.25 mm I.D., 0.25mum (28471-U) oven 50 °C, 3 °C/min to 250 °C (10 min) carrier gas helium, 30.0 cm/sec, 99.5 kPa sample oil obtained from the steam distillation or hydrodistillation of the flowers, diluted injection 1.0 µL,100:1 split (A032) inj. temp. 250 °C detecto...

GC Analysis of Water in Ethanol (0.5%Standard) 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 water at 0.05% (v/v) 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 °C Analysis Note The "Watercol" series of io...

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 Volatiles in Milk Thistle Honey on SUPELCOWAX® 10 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

sample/matrix 5 g milk thistle 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 2 cm 50/30 µm divinylbenzene/carboxen on polyd...

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...

GC Analysis of Water in Ethanol (0.5%Standard) on Watercol™ 1900

column Watercol 1900, 30 m x 0.25 mm I.D., 0.20 µm (29761-U) oven 80 °C (10 min) carrier gas helium, 26 cm/sec sample water at 0.05% (v/v) 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 °C Analysis Note The "Watercol" series of io...

GC Analysis of Water in Ethanol (60%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 at 80% (v/v) in ethanol 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 ioni...

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 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...

HPLC Analysis of Grapefruit Juice on Ascentis® Express C18 Column

sample preparation SPE (Solid Phase Extraction) sample/matrix grapefruit juice hand-squeezed in laboratory, centrifuged and filtered through a 0.45 µm nylon filter disc (Acrodisc) column Ascentis Express C18, 5 cm x 4.6 mm I.D., 2.7 µm particles (53826-U) column temp. ambient mobile phase [A] water/...

LC/MS Analysis of Phospholipids in Milk on Ascentis® Express HILIC after SPE using Supelclean™ Si, Shotgun HPLC Analysis

sample/matrix Phospholipids from 10 mL cow's milk (Folch method extraction) SPE tube/cartridge Supelclean LC-Si, 1 g/6 mL (57051) condition hexane sample addition 1 mL extract in chloroform/methanol (2:1, v/v) washing 3 mL of hexane/diethylether (8:2, v/v) and 3 mL of hexane/diethylether (1:1, v/v) ...