Content vs Purity: What Is the Difference?
| Parameter | Purity | Content |
|---|---|---|
| What it measures | Proportion of target peptide vs total material (%) | Absolute amount of peptide per unit (mg) |
| Method | RP-HPLC area percentage | Quantitative HPLC vs reference standard, or UV absorbance |
| Result format | 98.5% purity | 2.1mg peptide per vial |
| What it tells you | How clean the sample is | How much active peptide is present |
Request Content Testing Information
Contact ShiLai™ Healthcare to discuss content testing requirements for your batch or OEM project.
Chat on WhatsApp