Phenom Support Answers
A collection of questions that received good ratings and feedback from our customers.
- Can you use organic solvents in with bioZen SEC or Yarra SEC?
- Can you use Phree to remove phospholipids without removing proteins?
- Can you use roQ for water samples?
- Can you use roQ or the QuEChERS method for soil samples?
- Can you use the EZ:faast LC/MS kit with ELSD (evaporative light scattering detection)?
- Can you use the Quechers method for soil and biosolids?
- Consecutive injections are causing ghost peaks in my GC chromatogram, how can I avoid this?
- Do I have to defat my sample before EZ:faast?
- Do I need to revalidate my method if I swap my current column to a Kinetex core-shell column?
- Do Strata silica-based & polymer-based sorbents swell during use?
- Do we need ZB-guardian/ Z-guard for split injection?
- Do we offer BioZen WCX for UHPLC?
- Do you carry a vacuum pump to use with the manifold? Which pump do you recommend?
- Do you have a recommended SPE method for the extraction of proteins/peptides?
- Do you have vials that are certified to Total organic carbon (TOC) analysis?
- Do you provide roQ QuEChERS kit with customized salt ratios?
- Does Phemonenex offer a vacuum pump to use with the vacuum manifold?
- Does Phenomenex offer a coconut charcoal SPE phase?
- Does Phenomenex provide glass SPE tubes?
- Does the order of addition, sample first or solvent first, matter using Impact for Protein Precipitation?
- During an overnight run I see retention times gradually increasing, then decreasing again, what could be the problem?
- Effect of detector band width?
- Effect of detector response time
- Effect of detector Slit width
- For the extraction of PAH, why do some methods use a normal phase cartridge such as Strata EPH and some methods suggest Strata PAH?
- How are recoveries measured in SPE applications?
- How are the EZ:faast GC/FID and GC/MS kits different?
- How can fatty acids be fractionated?
- How can I calculate the pH of my mobile phase based on the % acid added?
- How can I change a tertiary mobile phase gradient to binary?