- > Offre d'emploi: Designer Graphique
- > It’s not just about the shape – Handy guide to (other) common problems in HPLC
- > How to get the perfect shape according to experts – Top 6 most common shape problems in HPLC
- > Some People Excel at Scaling Up Their Purifications and Some Don’t, Which One Are You?
- > Loading in Progress – Avoiding loading capacity mistakes
Halocetic Acids
> back to Suggested SPE Protocols
Matrix
Surface water
Analytes
Chloroacetic Acid, Bromoacetic Acid, Dichloroacetic Acid, Dalapon, Trichloroacetic Acid, Bromochloroacetic Acid, Bromodichloroacetic Acid, Dibromoacetic Acid, Chlorodibromoacetic Acid, Tribromoacetic Acid
SPE Cartridge
SiliaPrep SAX
500 mg / 6 mL
SPE-R66530B-06P
Sample Pretreatment before Loading
Add 0.5 mL of aqueous Ammonium Chloride to 50 mL of water sample. Adjust pH to 4.5 - 5.5 with Sulfuric Acid.
Conditionning
10 mL of Methanol
Equilibration
10 mL of Water
Loading
Pretreated sample
Washing
10 mL of Methanol
Elution
3 mL of 10 % Sulfuric Acid / Methanol
Further Treatment
Esterification and identification by GC/μECD.
-
SiliaPrep SPE Cartridges, TMA Chloride (SAX) nec (SPE-R66530B)
SiliaPrep TMA Chloride (SAX) is a strong anion exchanger sorbent positively charged under all conditions used to extract acid molecules (pKa 3-5).