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.
Two-column Li separation procedures for carbonate samples using AGMP-50 resin.
| Step | Details | Eluent | Volume (Column 1; mL) | Volume(Column 2; mL) |
|---|---|---|---|---|
| Step 1 | Resin washing | 6 M HCl | 20 | 20 |
| 8 M HNO3 | 20 | 20 | ||
| Milli-Q water | 5 | 5 | ||
| Step 2 | Condition | 0.2 M HCl | 1 | 1 |
| Step 3 | Loading sample | 0.5 | 0.5 | |
| Step 4 | Washing | 0.2 M HCl + 0.3 M HF | 4 | 4 |
| 0.73 M HCl | 0 | 6.0 | ||
| Step 5 | Collecting Li | 0.73 M HCl | 7 | 7 |
| Step 6 | Washing | 6 M HCl | 25 | 25 |
