# Correlation between crystallinity index, skin depth, and optical phonon vibration for enhancing Ni2⁺ removal using AC/CaCO3–clay composite
> Heryanto H.

URL kanonis: https://discover.unhas.ac.id/publications/correlation-between-crystallinity-index-skin-depth-and-optical-phonon-vibration
Jurnal / Konferensi: International Journal of Environmental Science and Technology
Tahun terbit: 2026
DOI: https://doi.org/10.1007/s13762-025-06806-6
ISSN: 17351472
Kuartil SJR: Q1
Citations: 1

## Authors
- Heryanto H.

## Abstract
Sourced directly from Elsevier Scopus. No OpenAlex abstract available.

## Keywords
- Adsorption
- Crystallinity
- Materials science
- Isothermal process
- Composite number
- Composite material
- Freundlich equation
- Contamination
- Chemical engineering
- Wastewater
- Kinetic energy
- Mineralogy
- Phonon
- Specific surface area
- Analytical Chemistry (journal)
- Ion
- Raw material
- Vibration
- Water contamination

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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