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144 matches found for SPE

HPLC Analysis of Bisphenol A in Water on Ascentis® Express C18 after SPE using Supelclean™ ENVI-18

SPE tube/cartridge Supelclean ENVI-18, 500 mg/6 mL glass SPE tube (54331-U) condition 1 mL 1% formic acid in acetonitrile, then 1 mL water elution 2 mL 1% formic acid in acetonitrile eluate post-treatment 1 mL aliquot of eluent, and evaporate/reconstitute to 0.5 mL in acetonitrile column Ascentis Ex...

LC/MS Analysis of 3-Methoxytyramine and Metanephrines in Synthetic Urine on Ascentis® Express Biphenyl after On-line SPE using Supel™Genie RP-Amide Cartridge

SPE tube/cartridge Supel Genie On-line SPE Cartridge Starter Kit: RP-Amide 2 cm x 4.0 mm I.D. (55516-U) column Asentis Express Biphenyl 10 cm x 2.1 mm I.D., 2.7 μm particles (64065-U) column temp. 25 °C mobile phase [A] 0.1% formic acid in water; [B] 0.1% formic acid in methanol gradient 20 to 100% ...

LC/MS Analysis of 3-Methoxytyramine and Metanephrines in Human Plasma on Ascentis® Express Biphenyl after On-line SPE using Supel™Genie RP-Amide Cartridge

SPE tube/cartridge Supel™ Genie On-line SPE Cartridge Starter Kit: RP-Amide 2 cm x 4.0 mm I.D. (55516-U) column Ascentis® Express Biphenyl 10 cm x 2.1 mm I.D., 2.7 μm particles (64065-U) column temp. 25 °C mobile phase [A] 0.1% formic acid in water; [B] 0.1% formic acid in methanol gradient 20 to 10...

LC/MS Analysis of 3-Methoxytyramine and Metanephrines in Horse Urine on Ascentis® Express Biphenyl after On-line SPE using Supel™Genie RP-Amide Cartridge

SPE tube/cartridge Supel™ Genie On-line cartridge:Â RP-Amide 2 cm x 4.0 mm I.D. (55516-U) column Ascentis® Express Biphenyl 10 cm x 2.1 mm I.D., 2.7 μm particles (64065-U) column temp. 25 °C mobile phase [A] 0.1% formic acid in water; [B] 0.1% formic acid in methanol gradient 20 to 100% B in 10 min;...

LC/MS/MS of Digoxin and Digitoxin in Serum or Plasma on Titan™ C18 after SPE with HybridSPE®-Phospholipid, Minimization of Matrix Effects

sample preparation SPE (Solid Phase Extraction) sample/matrix rat plasma or human serum spiked at 0.05 ng/mL with digitoxin and digoxin SPE well plate HybridSPE-PLus 96-well plate, 50 mg/well (575659-U) sample addition 100 µL spiked rat plasma followed by 300 µL 1% formic acid in acetonitrile elutio...

LC/MS Analysis of Triclosan (Irgasan) in Waste Water on Ascentis® Express C18 after SPE using Supel™-Select HLB

sample preparation SPE (Solid Phase Extraction) sample/matrix waste-water treatment plant effluent SPE tube/cartridge Supel Select HLB 60 mg/ 3 mL (54182-U) condition 3 mL methanol, 3 mL distilled water, 3 mL 0.01 M HCl sample addition 50 mL washing wash using 10 mL distilled water, dry for 5 minute...

GC Analysis of Phenols in Water on a 5% Phenyl Column after SPE using Supelclean™ ENVI-Chrom P

sample preparation SPE (Solid Phase Extraction) sample/matrix water spiked with phenol compounds SPE tube/cartridge Supelclean ENVI-Chrom P, 250 mg/6 mL (57225-U) condition 6 mL methyl t-butyl or ethyl acetate; 6 mL acetonitrile. Equilibrate with 6 mL DI water sample addition 100 mL water sample. dr...

GC Analysis of FAMEs in Popcorn Oil on SP™-2560 (75 m x 0.18 mm I.D., 0.14 μm) after SPE Fractionation using Discovery® Ag-Ion, Fast GC Analysis

sample preparation SPE (Solid Phase Extraction) sample/matrix 1 g of popcorn oil FAME's in Hexane SPE tube/cartridge Discovery Ag-Ion, 750 mg/6 mL (54225-U) condition 4 mL acetone and 4 mL hexane sample addition 1 mL of the hexane FAME extract elution 6 mL hexane:acetone (96:4, v/v) followed by 4 mL...

LC/MS Analysis of Methamphetamine Enantiomers on Astec® CHIROBIOTIC® V2 in Urine after SPE using Supel™-Select SCX

sample preparation SPE (Solid Phase Microextraction) sample/matrix 1 mL of synthetic urine spiked with 25 ng/mL extraction process acidified to 3-4 pH with formic acid SPE well plate Supel-Select SCX SPE 96-well Plate, 30 mg/well (575664-U) condition 1 mL 1% formic acid in acetonitrile, then 1 mL wa...

GC Analysis of FAMEs in Cookies on SP™-2560 after SPE Fractionation using Discovery® Ag-Ion

sample preparation SPE (Solid Phase Extraction) sample/matrix 1 g of commercially purchased cookies was ground and subjected to acid digestion and alkali hydrolysis followed by methylation as described in AOCS Official Method Ce 1k-09 SPE tube/cartridge Discovery Ag-Ion SPE tubes, 750 mg/6 mL (54225...

HPLC Analysis of Furosemide (Lasix) in Horse Serum on Discovery® C18 after SPE using Discovery® DSC-18

sample preparation SPE (Solid Phase Extraction) sample/matrix acidified horse serum spiked with indapamide at 10 mg/mL SPE tube/cartridge Discovery DSC-18, 50 mg/1 mL (52601-U) condition 1 mL methanol; 1 mL 10 mM potassium phosphate, pH 3 sample addition 1 mL washing 10 mM potassium phosphate, pH 3 ...

GC Analysis of FAMEs in Cookies on SLB®-IL111 after SPE Fractionation using Discovery® Ag-Ion

sample preparation SPE (Solid Phase Extraction) sample/matrix 1 g of commercially purchased cookies was ground and subjected to acid digestion and alkali hydrolysis followed by methylation as described in AOCS Official Method Ce 1k-09 SPE tube/cartridge Discovery Ag-Ion SPE tubes, 750 mg/6 mL (54225...

GC Analysis of Polynuclear Aromatic Hydrocarbons (PAHs) in Soybean Oil on SLB®-35ms after SPE using Supelclean™ EZ-POP NP

sample preparation SPE (Solid Phase Extraction) sample/matrix soybean oil spiked with PAHs at 10 ng/g SPE tube/cartridge Supelclean EZ-POP NP, 2.5 g/12 mL (54341-U) condition 10 mL acetone, dry under 10-15" Hg for 10 minutes sample addition 0.5 mL weighed accurately onto cartridge elution 15 mL acet...

LC/MS (TOF) Analysis of Opioid Drugs and Glucuronide Metabolites in Urine on Ascentis® Express HILIC after SPE using Supel™-Select HLB, β-Glucuronidase Enzyme Digestion

sample preparation SPE (Solid Phase Extraction) sample/matrix urine spiked at 300 ng/mL SPE well plate Supel-Select HLB 96-well plate, 60 mg/well (575662-U) condition 1 mL methanol, 1 mL water sample addition 1.0 mLurine washing 1 mL water, 1 mL 25% methanol elution 1 mL acetonitrile column Ascentis...

GC Analysis of Pesticides in Fruits and Vegetables on a 14%Cyanopropylphenyl Column after SPE using Supelclean ENVI-Carb™

sample preparation SPE (Solid Phase Extraction) sample/matrix extract from 50 g homogenized fruit or vegetable sample SPE tube/cartridge ENVI-Carb, 500 mg/6 mL (57094) sample addition 0.5 mL concentrated sample extract elution 20 mL acetonitrile:toluene (3:1) eluate post-treatment Concentrate to 2 m...

HPLC Analysis of Statins in Rat Plasma on Ascentis® Express C18 after SPE using Supel™-Select HLB

sample preparation SPE (Solid Phase Extraction) sample/matrix rat plasma spiked with provastin and atorvastin at 5 and 100 ng/mL SPE tube/cartridge Supel-Select HLB SPE, 30 mg/1 mL (54181-U) condition 0.5 mL methanol:acetonitrile (1:1, v/v); 0.5 mL DI water sample addition 0.5 mL washing 0.5 mL 5% m...

LC/MS Analysis of Amphetamine Enantiomers on Astec CHIROBIOTIC® V2 in Urine after Solid Phase Extraction (SPE) using Supel™-Select SCX

sample preparation SPE (Solid Phase Extraction) sample/matrix 1 mL of synthetic urine spiked with 50 ng/mL of each enantiomer SPE well plate Supel-Select SCX, 96-well plate, 30 mg/well (575664-U) condition 1 mL 1% formic acid in acetonitrile followed by 1 mL water sample addition 1 mL spiked urine s...

GC Analysis of Organophosphorus Pesticides (OP-Pest) in Cabbage, Onion, and Mushrooms on SLB-5ms after SPE using Supelclean™ ENVI-Carb™ II/PSA

sample preparation SPE (Solid Phase Extraction) sample/matrix 10 g homogenized food sample (green onions, apples, Napa cabbage, button mushrooms) SPE tube/cartridge Supelclean ENVI-Carb II/PSA SPE Tube (54067-U) condition 5 mL acetone:toluene (65:35) sample addition 1 mL sample extract elution 10 mL...

GC Analysis of PCBs in Transformer Oil on SPB®-5 after SPE using Supelclean™ LC-Florisil® and LC-Si

sample preparation SPE (Solid Phase Extraction) sample/matrix used transormer oil containing 50 ppb Aroclor 1254. SPE tube/cartridge Supelclean LC-Florisil, 1.0 g/6 mL (57057) SPE tube/cartridge Supelclean LC-Si, 1.0 g/6 mL (57051) condition 0.5 mL isooctane (Florisil tube) sample addition 0.2 g tra...

HPLC Analysis of β-Blockers and β-Agonists in Urine and Wastewater on a C18 Column after SPE using SupelMIP® SPE-Beta-Receptor

sample preparation SPE (Solid Phase Extraction) sample/matrix horse urine or waste water spiked with 10 beta-agonists and beta-blockers at 1 ng/mL SPE tube/cartridge SupelMIP SPE - Beta-Receptor, 25 mg/10 mL (LRC) (53223-U) condition 1 mL acetonitrile; 1 mL DI water sample addition 1 mL washing 3 x ...

LC/MS/MS of 25-Dihydroxyvitamin D2, 25-Hydroxyvitamin D3, and 3-epi-25-Hydroxyvitamin D3 in Serum or Plasma on Ascentis® Express F5 after SPE with HybridSPE®-Phospholipid, Minimization of Matrix Effects

sample preparation SPE (Solid Phase Extraction) sample/matrix plasma or serum spiked at 25 ng/mL with each vitamin D metabolite SPE well plate HybridSPE-Phospholipid 96-well plate, 50 mg/2 mL (575656-U) sample addition 100 µL spiked rat plasma followed by 300 µL 1% formic acid in acetonitrile elutio...

LC/MS (TOF) Analysis of Antiarrhythmic Drugs and Metabolites on Ascentis® Express HILIC: Improvement in Analyte Response after Solid Phase Extraction (SPE) using HybridSPE®-Phospholipid

sample preparation SPE (Solid Phaes Extraction) SPE tube/cartridge HybridSPE-Phospholipid 96-Well Plate, 50 mg/2 mL (575656-U) sample addition apply 100 µL of plasma to plate, followed by 300 µL of 1% formic acid acetonitrile. Agitate via vortex for 4 min elution place on vacuum manifold and apply 1...

GC Analysis of Polynuclear Aromatic Hydrocarbons (PAHs) in Water on a 5% Phenyl Column after SPE using Supelclean™ ENVI-18

sample preparation SPE (Solid Phase Extraction) sample/matrix water spiked with PAHs SPE tube/cartridge Supelclean ENVI-18, 500 mg/6 mL (57064) condition 2 x 6 mL toluene:methanol (10:1); 6 mL methanol; 6 mL DI water sample addition 250 mL water sample at 10 mL/min drying 10 min under vacuum elution...

HPLC Analysis of 3-Methylpyrazole and 4-Methylpyrazole in Urine on Discovery® C18 after SPE using Discovery® DSC-SCX

sample preparation SPE (Solid Phase Extraction) sample/matrix urine spiked with 3- and 4-methylpyrazole at 1 mg/mL SPE tube/cartridge Discovery DSC-SCX, 500 mg/3 mL (52686-U) condition 2 mL methanol; 2 mL DI water sample addition 1 mL washing 2 mL DI water elution 2 mL 5% methanol in 250 mM potassiu...

HPLC Analysis of Chloramphenicol in Milk on Ascentis® C18 after SPE using SupelMIP® SPE-Chloramphenicol

sample preparation SPE (Solid Phase Extraction) sample/matrix whole pasteurized milk spiked with chloramphenicol at 15 ng/mL and 38 ng/mL SPE tube/cartridge SupelMIP SPE - Chloramphenicol, 25 mg/10mL (LRC) (53210-U) condition 1 mL methanol;1 mL DI water sample addition 1 mL washing 2 x 1 mL MS-grade...

GC Analysis of PCBs in Cod Liver Oil (Spiked) on SLB®-5ms after SPE using Supelclean™ EZ-POP NP and Supelclean LC-Si

sample preparation SPE (Solid Phase Extraction) sample/matrix cod liver oil spiked with PCBs (at 10 ng/g) SPE tube/cartridge Supelclean™ EZ-POP NP, 12 mL, Pk 20 (54341-U) SPE tube/cartridge Supelclean™ LC-Si, 100 mg/1 mL (504041) condition 10 mL acetone, 10 min dry at 20" mercury condition 4 mL acet...

GC Analysis of Sterols (Silylated Derivatives) in Olive Oil (Free Sterol Fraction) on SLB®-5ms after SPE using Discovery DSC-Si

sample preparation SPE (Solid Phase Extraction) sample/matrix olive oil spiked with a mixed sterol standard at 5 µg/g SPE tube/cartridge Discovery DSC-Si, 1 g/6 mL (52656-U) condition 2 x 5 mL hexane sample addition 1 mL elution esters fraction: 2.5 mL of hexane:ethyl acetate (90:10); free sterols f...

GC Analysis of Pesticides in Spinach on Equity®-1 after SPE using Supelclean™ ENVI-Carb-II/PSA

sample preparation SPE (Solid Phase Extraction) sample/matrix 10 g of fresh spinach spiked at 0.2 ppm each pesticide SPE tube/cartridge Supelclean ENVI-Carb-II/PSA, 500mg/300mg/6mL (55119-U) condition 5 mL acetonitrile:toluene (3:1, v/v) sample addition 1 mL concentrated sample extract elution 20 mL...

GC Analysis of Diphenylamine and Methoxychlor in Apples on a 14%Cyanopropylphenyl Column after SPE using Supelclean ENVI-Carb

sample preparation SPE (Solid Phase Extraction) sample/matrix homogenize 50 g sample in 100 mL acetonitrile then add 10 g NaCl and homogenize 5 min SPE tube/cartridge ENVI-Carb, 500 mg/6 mL column 14% cyanopropylphenyl polysiloxane, 30 m x 0.25 mm I.D., 0.15 µm (Supelco equivalent, Equity-1701, 2837...

HPLC Analysis of Triazine Herbicides in Grass on SUPELCOSIL™ LC-8-DB after SPE using Supelclean™ LC-SCX

sample preparation SPE (Solid Phase Extraction) sample/matrix fresh grass clippings spiked with herbicides at 2 ppm SPE tube/cartridge Supelclean LC-SCX, 500 mg/3 mL (57018) condition 1 mL methylene chloride sample addition 2 mL grass extract. Wash with 2 x 2 mL acetonitrile. washing Dry packing for...