ANALISIS KUALITATIF PADA BATU KECUBUNG KOPI MENGGUNAKAN LIBS

  • Ida Ayu Gede Kusuma Dewi Udayana University
  • Hery Suyanto Udayana University
  • Ida Bagus Alit Paramarta Udayana University
  • K. Suastika Universitas Palangka Raya

Abstract

It has been conducted research on the qualitative analysis on amethyst coffee using LIBS.This study aims to determine the content of the element in amethyst coffee that can later be used as a comparison or reference further research in the elemental analysis amethyst coffee. With treatment, the laser irradiated amethyst coffee at 100 mJ, and the data retrieved by the accumulation of 3, delay time 1 ┬Ás and repetition as much as 3 points in different areas of each region analysis of depth function (Depth Profile) with 60 times the laser irradiation. The main element as a constituent amethyst Coffee is silicon (Si), Sodium (Na), calcium (Ca), potassium (K) and oxygen (O2), while the element on its outer surface is iron (Fe) and phosphorus (P) were analyzed using LIBS.

Published
2016-08-01
How to Cite
KUSUMA DEWI, Ida Ayu Gede et al. ANALISIS KUALITATIF PADA BATU KECUBUNG KOPI MENGGUNAKAN LIBS. BULETIN FISIKA, [S.l.], v. 17, n. 2, p. 75-79, aug. 2016. ISSN 2580-9733. Available at: <https://ojs.unud.ac.id/index.php/buletinfisika/article/view/31341>. Date accessed: 11 nov. 2019.