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.
Elemental composition of arecanut husk ash (AHA) at different sintering temperature.
| Elements | Percentages of Compositions (%) | ||
|---|---|---|---|
| 700 °C | 800 °C | 900 °C | |
| Al2O3 | 0.64 | 2.00 | 0.00 |
| SiO2 | 29.17 | 44.14 | 45.43 |
| P2O5 | 26.91 | 14.64 | 18.62 |
| Cl | 0.75 | 0.33 | 0.30 |
| K2O | 16.65 | 7.28 | 10.35 |
| CaO | 20.07 | 13.99 | 14.16 |
| Fe2O3 | 4.02 | 13.57 | 9.62 |
| ZnO | 0.57 | 0.66 | 0.54 |
