G004057

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

suitable for GC, application for SPME

屬性

• 技術: gas chromatography (GC): suitable; solid phase microextraction (SPME): suitable
• 測試參數: sample/matrix: parabens, each at 200 ppb in 3 mL water + 25% sodium chloride in a 4 mL vial; SPME fiber: metal fiber assembly coated with 50/30 μm DVB/Carboxen/PDMS (57912-U); extraction: immersion with stirring, 25 °C (15 min); desorption process: 260 °C, 2 min; column: SLB-5ms, 20 m × 0.18 mm I.D., 0.36 μm (28576-U); oven: 60 °C (2 min), 15 °C/min to 300 °C (5 min); MSD interface: 275 °C; scan range: m/z 40-450; carrier gas: helium, 0.7 mL/min constant; liner: 0.75 mm I.D. SPME
• 適合性: application for SPME
• 應用: chemicals and industrial polymers; cleaning products; cosmetics; food and beverages; personal care; pharmaceutical (small molecule)

描述

法律資訊

SLB is a registered trademark of Merck KGaA, Darmstadt, Germany

分析物

Methyl 4-hydroxybenzoate
Ethyl 4-hydroxybenzoate
Propyl 4-hydroxybenzoate
Butyl 4-hydroxybenzoate