Table 5.
pH changes resulting from the stabilising agents and the precursor.
| Composition of the solution | pH |
| H2O + PEI | 9.66 |
| H2O+ PEI + SnCl4 | 2.02 |
| H2O + PVP | 5.02 |
| H2O + PVP + SnCl4 | 1.70 |
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.