Research Article
Adsorption Ability for Toxic Chromium (VI) Ions in Aqueous Solution of Some Modified Oyster Shell Types
Table 1
Signature of oyster shell samples.
| | No. | Sample | Abbreviation of sample |
| | 1 | Prismatic shell layer of Quang Ninh oyster shells | QNOS-PP | | 2 | QNOS-PP calcined at 800oC | QNOS-PP-800 | | 3 | QNOS-PP-800 modified with EDTA | QNOS-PP-800-EDTA | | 4 | Prismatic shell layer of Phu Yen oyster shells | PYOS-PP | | 5 | PYOS-PP treated with NaClO and ball milled in NaOH/NaClO solution | PYOS-PP-Na | | 6 | PYOS-PP-Na calcined at 750oC | PYOS-PP-Na-750 | | 7 | PYOS-PP-Na calcined at 800oC | PYOS-PP-Na-800 | | 8 | PYOS-PP-Na calcined at 900oC | PYOS-PP-Na-900 | | 9 | PYOS-PP-Na-800 modified with EDTA | PYOS-PP-Na-800-EDTA |
|
|
