New Developments in QuEChERS methodology

More documents

Recommendations

Info

EPRW 2006, Corfu Slide 12 Portioning of sorbents and salts Rapid and Easy
Optimal pH for QuEChERS ? pH adjustment after cleanup Use of formic acid in acetonitrile to achieve a “pH” of 5 Base-labile compounds are stabilized: tolylfluanid, dichlofluanid, captan, Rec. % 100 90 80 70 Tolylfluanid extract stability 7 days 13 days folpet, 60 50 dicofol, 40 30 pyridate 20 5% formic acid: 10 µL/mL EPRW 2006, Corfu Slide 13 10 0 pH 4 pH 5 pH 6 pH 7 pH 8 pH 9 MeCN Measured pH in extract
Page 1 and 2: New Developments in QuEChERS method
Page 3 and 4: QuEChERS: •Quick •Easy •Cheap
Page 5 and 6: EPRW 2006, Corfu Slide 5 Analyte an
Page 7 and 8: Ionizable Compounds - Basic Pestici
Page 9 and 10: pH-Labile Compounds EPRW 2006, Corf
Page 11: Optimal pH for QuEChERS ? pH adjust
Page 15 and 16: Alox N Supelco, C18 C8-Varian, C8-A
Page 17 and 18: EPRW 2006, Corfu Slide 17 Improved
Page 19 and 20: EPRW 2006, Corfu Slide 19 Broaden m
Page 21 and 22: Sample type Cereals Dried fruits Fr
Page 23 and 24: Removal of co-extracted lipids Extr
Page 25 and 26: 100 75 50 25 0 EPRW 2006, Corfu Sli
Page 27 and 28: GC-MS and LC-MS/MS Inter-Laboratory
Page 29 and 30: LC-MS/MS Inter-Laboratory Validatio
Page 31 and 32: EU - Proficiency Test 6 and 7 EU-PT
Page 33: Thank you for your attention! ....a

New Developments in QuEChERS methodology

Create successful ePaper yourself

Delete template?

Save as template?