Hplc Program Page

| Vial Position | Sample ID | Injection Type | Run Time (min) | | :--- | :--- | :--- | :--- | | A1 | Blank (Mobile Phase) | Blank | 25 | | A2 | Standard – Level 1 | Calibration | 25 | | A3 | Standard – Level 2 | Calibration | 25 | | A4 | Standard – Level 3 | Calibration | 25 | | B1 | QC Sample | Quality Control | 25 | | B2 | Sample 001 | Unknown | 25 | | B3 | Sample 002 | Unknown | 25 | | B4 | Standard – Level 2 (Check) | Continuing Calibration | 25 |

The program instructs the autosampler on how many microliters ( hplc program

Start with a generic gradient (e.g., 5% to 95% Organic over 20 minutes) to see where peaks elute, then refine based on results. 3. Optimizing the HPLC Program for Better Results | Vial Position | Sample ID | Injection

At the heart of every successful analysis is the . Ensure your program's flow rates and solvent transitions

Ensure your program's flow rates and solvent transitions do not exceed the pressure ratings of your column or instrument. Pure water/acetonitrile mixtures reach peak viscosity—and thus peak pressure—at around 50% composition. 5. Troubleshooting Common Program Errors