Phenex-PTFE 25mm Syringe Filters 0.45u,, Non-Sterile, Luer/Slip, 100/Pk
Бренд: Phenomenex
Phenex-PTFE Filter
PTFE is Best Recommended for Aggressive or Pure Organic Solvent Applications
For 100% Organic Solutions
| PTFE, Teflon® (Polytetrafluoroethylene) |
|---|
| Well-suited for the clarification of non-aqueous samples |
| Hydrophobic membrane, excellent for filtration of organic-based, highly acidic or basic samples and solvents |
| A hydrophobic membrane, that can be made hydrophilic by wetting with alcohol and then flushing with deionized water |
Analysis of Aromatic Active Ingredients Contained in a Commercially Available Topical Sunscreen
Sample Preparation
- A sample of sunscreen was dissolved in 10 mL of reagent grade ethanol.
- The sample was vortexed and centrifuged (@ 4700 rpm)
- Filter it through a Phenex PTFE 0.45 µm Syringe Filter (Part No.: AF0-1102-52)
Clean up and Filtration of Topical Sunscreen
| Column: |
| Kinetex® 2.6 μm Biphenyl |
| Dimension: |
| 100 x 4.6 mm |
| Part No.: |
| 00D-4622-E0 |
| Mobile Phase: |
| A: 0.1% TFA in Water B: 0.1% TFA in Acetonitrile |
| Gradient: |
| Time (min) |
| 0 0.5 10 13 14 17 |
| % B |
| 40 40 100 100 70 70 |
| Flow Rate: |
| 1.50 mL/min |
| Temperature: |
| 40 °C |
| Detection: |
| UV-VIS (@ 310 nm) |
| Injection Volume: |
| 10 μL |
| Samples: |
| 1. Oxybenzone 2. Octisalate 3. Homosalate 4. Avobenzone 5. Oxycrylene |
Optimized Filtration of Ginger Formulation Pills Using Phenex PTFE Syringe Filters and Kinetex 2.6 µm Biphenyl LC Column
Sample Preparation
- Dissolve a Gaia® Supreme Ginger Pill in 10 mL of Methanol/Water (80:20) into a Verex™ Vial
- Filter it through a Phenex PTFE 0.45 μm Syringe Filter (Part No.: AF0-1102-52)
Ginger Pill Sample Filtered by A Phenex PTFE Syringe Filter
| Column: |
| Kinetex® 2.6 μm Biphenyl |
| Dimension: |
| 50 x 4.6 mm |
| Part No.: |
| 00B-4622-E0 |
| Mobile Phase: |
| A: 0.1 % Phosphoric Acid in Water B: 0.1 % Phosphoric Acid in Acetonitrile |
| Gradient: |
| Time (min) |
| 0 7 9 9.5 12.5 |
| % B |
| 30 100 100 30 30 |
| Flow Rate: |
| 1.8 mL/min |
| Temperature: |
| 30 °C |
| Detection: |
| UV @ 282 nm |
| Injection Volume: |
| 2μL |
| Samples: |
| Pill |
Sugar Analysis
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