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.
| chemicals | CAS Reg. No. | source and supplier | purity (% wt) |
|---|---|---|---|
| methylene blue | 61-73-4 | Merck, India. Rathod Chemicals | 0.98 |
| hydrochloric acid | 7647-01-0 | Merck, India. Rathod Chemicals | 0.37 |
| ammonia solution | 7664-41-7 | Merck, India. Rathod Chemicals | 0.25 |
