Analysis of herbicide SBSE-LCMSMS in seawater samples

SPMEProbe item number：ZZ-SPME-06-z
Analysis condition:                                               

Sample: 5 mL red wine sample in 20 ml top empty bottle

Extraction temperature: 50 ºC; Extraction time: 60 min; Mixing speed: 250 rpm

Desorption time: 2 min; Desorption temperature: 250 ºC

Sample inlet: GC

Injection method: CTC PAL ALS automatic injector

Inlet: 250 ºC without shunt, purge flow at shunt outlet: 60 mL/min starting at 3 min

Column: DB-5ms: 30 m × 250 μm × 1 μm

Programmed heating: Initial temperature 40 ºC for 5 min, 10 ºC/min up to 280 ºC for 5 min

Acquisition mode: Full scan, scanning range: 30-400 m/z

Ion source: 230 ºC, MS quadrupole: 150 ºC

         Determination of substances in red wine by SPME-GC/MS total ion flow chromatography

Test results:

A total of 17 organic compounds were detected, including 4 alcohols, 1 aldehydes, 11 esters and 1 oxime, with their respective contents as shown in the table below. The test results showed that the ethanol content of compound No. 1 was the highest, accounting for 59.539% of the total

                                                                         
                         SPME-GC/MSDetection result