Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Analysis of real samples and recoveries of 4-NP from different matrixes using the fluorescent HL-CNDs.
| Sample | 4-NP Concentration (μΜ) | Recovery (%) | |
|---|---|---|---|
| Added | Determined | ||
| Tap water | 0 | non-detected | - |
| 5.1 | 5.3 | 103.9 | |
| 15.3 | 15.8 | 103.3 | |
| 40.2 | 41.1 | 102.2 | |
| Effluent from a wastewater treatment plant | 0 | non-detected | - |
| 5.1 | 5.5 | 107.8 | |
| 15.3 | 16 | 104.6 | |
| 40.2 | 41.4 | 103.0 | |
| 0 | non-detected | - | |
| 5.1 | 5.8 | 113.7 | |
| Human urine | 15.3 | 16.1 | 105.2 |
| 40.2 | 41.1 | 102.2 | |
