| Neutral Fixing Bath: | |
| Sodium thiosulfate (Na2S2Ot3 • 5H20) | 245.0 g. |
| Water to make | 1 liter. |
| Fixed sample 4 min. | |
| Nonhardening Acid Fixing Bath: | |
| Sodium thiosulfate (Na2S203 • 5H20) | 240.0 g. |
| Sodium bisulfite | 25.0 g. |
| Water to make | 1 liter. |
| Fixed sample 5 min. | |
| Acid Hardening Fixing Bath: | |
| Sodkim thiosulfate (Na2S203 • 5H20) | 300.0 g. |
| Sodium sulfite | 10.0 g. |
| Glacial acetic acid | 10 ml. |
| Boric acid | 5.0 g. |
| Potassium aluminum sulfate | 10.0 g. |
| Water to make | 1 liter. |
| Fixed sample 4 min. |
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.