HPLC Analysis of Amphetamines in Urine on Discovery^® HS F5 after SPE using Discovery^® DSC-MCAX and Standard C18

技术

HPLC: suitable
solid phase extraction (SPE): suitable

试验参数

sample preparation: SPE (Solid Phase Extraction)
sample/matrix: human urine spiked amphetamine and methylamphetamine at with 2 mg/mL
SPE tube/cartridge: Discovery DSC-MCAX, 100 mg/3mL (52783-U)
condition: DSC-MCAX SPE tube: 1 mL methanol; 1 mL 50 mM ammonium acetate, pH 6.0; C-18 SPE tube: 1 mL methanol; 1 mL DI water
sample addition: 1 mL
washing: DSC-MCAX SPE tube: 1 mL 50 mM ammonium acetate, pH 6.0; 1 mL 1M acetic acid; 1mL methanol; C-18 SPE tube: 1 mL DI water; 1 mL 20% methanol
elution: DSC-MCAX SPE tube: 1 mL 5% ammonium hydroxide in methanol; C-18 SPE tube: 1 mL methanol
eluate post-treatment: evaporate to dryness with nitrogen at room temperature, reconstitute in mobile phase
column: Discovery HS F5, 15 cm x 4.6 mm I.D., 5 μm particles (567516-U)
mobile phase: [A] 10 mM ammonium acetate, pH 4.5: [B] methanol; (35:65, A:B)
flow rate: 2 mL/min
column temp.: 40 °C
detector: UV, 210 nm
injection: 10 μL

适用性

application for HPLC
application for SPE

应用

forensics and toxicology