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INDONESIA
Indonesian Journal of Chemistry and Environment
Published by Universitas Negeri Yogyakarta
ISSN : -     EISSN : 25993186     DOI : -
Core Subject : Science, Social, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science
Indonesian Journal of Chemistry and Environment (IJCE) is a journal which covers all the field of chemistry and environment, both experimental and theoretical aspects. Regular papers, letters and review articles with contents meeting the scope of the journal will be considered for publication after peer review. Authors are encouraged to submit complete original and unpublished works, which are not under review and considered to be publish in any other journals.
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Articles 22 Documents
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Synthesis of Chitosan Sulfate From Crab (Scylla serrata) and its application as adsorbent Salmahaminati, Salmahaminati
Indonesian Journal of Chemistry and Environment Vol 3, No 1 (2020): JUNE 2020
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijce.v3i1.40819

Abstract

Synthesis of chitosan sulfate from crab (Scylla Serrata) shell and its application as Remazol Yellow FG dye adsorbent has been studied. This experiment was conducted to study the effectiveness of chitin from crab shell to be converted into chitosan sulfate and to study the adsorption of chitosan sulfate by Remazol Yellow FG dye.  Isolation of chitin from crab shell was done by deproteination and demineralization process. Chitin had been converted into chitosan using demineralization process. Chitosan sulfate was made by reacting chitosan with 1 M ammonium sulfate solution. Characterizations of the chitosan are involving determination of degree of deacetylation. Functional group of chitin, chitosan and chitosan sulfate were determined by FTIR spectroscopy. The dye adsorption of chitosan sulfate was analyzed with UV-Vis spectroscopy. The result showed that rendement of chitin, chitosan and chitosan sulphate were 28.57%, 52.5% and 92%. The degree of deacetilation of chitin and chitosan were 80 – 90% and 70 – 80%. Remazol Yellow FG was adsopr 76.5%.
The Effect of Activators againts the Ability of Active Charcoal from Nila Fish (Oreochromis niloticus) to Adsorp Cd(II) and Pb(II) Ions Santi, M. T.; Banihabib, I.; Isnaningrum, M.; Miranda, I. B.
Indonesian Journal of Chemistry and Environment Vol 2, No 2 (2019): December 2019
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijce.v2i2.38192

Abstract

The purpose of this research is to how to make the active charcoal of Nila fishbone and to know effect of the variety activators against the ability of charcoal from nila fishbone waste in absorbing Cd(II) and Pb(II) ions. This research included in the experimental research. Active charcoal making process through 5 stages, namely: sampling, sample processing, the process of carbonation, the activator, and the process of neutralization. Sampling (Nila fishbone) in the restaurant, sample processing in the form of a fishbone drying in the sunshine, the process of carbonation by injecting bone for the furnace and sifted using a mess. The process of with activator HNO3 and HCl, also neutralization by making active charcoal to a neutral pH. Then, specify a contact time of 30, 60, and 90 minutes. The filtrate is further tested by Atomic Absorption Spectrophotometer (AAS) tool to know the adsorption of lead and cadmium ions. The results showed effect of HCl activator on Cd2+ and Pb2+ ions is more effective than HNO3 activator.

Page 3 of 3 | Total Record : 22

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