Volume 54 Iss. 4, 2019

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Journal of Chemical Technology and Metallurgy

54, Iss. 4, 2019
ISSN 1314-7471 (print)
ISSN 1314-7978 (on line)

Prof. Dr. Bogdana Koumanova
Tel: (+ 359 2) 81 63 302
University of Chemical Technology and Metallurgy
8 Kl. Ohridski, 1756 Sofia, Bulgaria


Synthesis of super absorbent polymer hydrogel based on oil palm empty fruit bunch grafted with acrylic acid and its application as a NPK fertiliser carrier

Sri Mulyani, Bella Seba Sirojul Umah, Dimas Gilang Ramadhani


Pm3 and oniom2 modelling of inclusion complex of ibuprofen enantiomers with dimethyl-ß-cyclodextrin

Enung Siti Nurhidayah, Muhamad Abdulkadir Martoprawiro, Muhammad Ali Zulfikar


Fabrication and efficiency analysis of dye sensitized solar device using anthocyanin dye combination of mangosteen skin (Garcinia mangostana L.) and rosella flower (Hibiscus sabdariffa L.) extracts

Hening Asti Rahayu, Endang Susilowati, Imam Setiawan, Taufik Ihsan and Titik Muslimah


Effect of the substrate concentration and the stirring rate on the enzymatic hydrolysis of cellulose from pre-treated corn cob. Derivation of a kinetic model

Irvan Setiadi Kartawiria, Livia Serafin, Haznan Abimanyu


Milk curd properties attributed to the application of a pineapple juice as a coagulant in cheese production

Irvan Setiadi Kartawiria, Brenna Elvina, Maria Dewi Puspitasari Tirtaningtyas Gunawan-Puteri


An isotherm model of the adsorption of nitrate ions on the surface of silica from sugarcane bagasse

Jaslin Ikhsan, Seti Fani


Transformation of iron nitrate into iron nanoparticles embedded in mesoporous silica molecular sieve SBA-15 nanostructures by ultrasonication and microwave irradiation

Maria Ulfa, Teguh Endah Saraswati, Bakti Mulyani, Didik Prasetyoko


Characteristics of LaCrO3 nanomaterial. The effect of the calcination temperature

Rudy Situmeang , Simon Sembiring, Wasinton Simanjuntak, Zipora Sembiring, Suripto Dwi Yuwono


Structure and microstructure properties of а refractory cordierite prepared from amorphous rice husk silica resulting from periclace introduction

Simon Sembiring, Wasinton Simanjuntak, Rudy Situmeang


The proliferation of effective microorganism (EM) in vinasse and its application in the manufacture of livestock-waste based fertilisers

Triastuti Sulistyaningsih, Nuni Widiarti, Widi Astuti, Dewanto Harjunowibowo


Synthesis of 1-benzyl-3-methyl-6,7-dimethoxy-3,4-dihydroisoquinoline to be used as a potential hybrid drug

Nova Rifatul Ulya, Sabirin Matsjeh, Winarto Haryadi, Dewanto Harjunowibowo


A natural antioxidant and an environmentally friendly inhibitor of mild steel corrosion: A commercial oil of basil (Ocimum basilicum L.)

Hicham Elmsellem, Yassir El Ouadi, Majda Mokhtari, Hajar Bendaif, Hanae Steli, Abdelouahed Aouniti, Ahmed M. Almehdi, Ibrahim Abdel-Rahman, Heri Septya Kusuma, Belkheir Hammouti


Development of a method for quantification of two genotoxic impurities in lurasidone using LC-MS/MS

Manthrapudi Venu, Yenugu Veera Manohara Reddy, Ambavaram Vijaya Bhaskar Reddy, Mohammad Moniruzzaman, Heri Septya Kusuma, Gajulapalli Madhavi


Electrochemical determination of paracetamol at poly(orange dye) modified carbon paste electrode by using cyclic voltammetry

Chougoni Madhuri, Sundupalle Kiranmai, Duddukuru Saritha, Vipparla Prabhakara Rao, Gajulapalli Madhavi, Heri Septya Kusuma


Reactive absorption of CO2 into the solution of methyldiethanolamine. Effect of promoter content in packed column

Ariani, Ali Altway, Susianto, Suprapto


Bitumen extraction from asbuton using hot water process with Na2CO3 as a sealing agent

Zakijah Irfin, Ali Altway, Susianto, Suprapto, Yosita Dyah Anindita


On the effect of the ratio of the distiler volume and that of the microwave cavity on the extraction of Cymbopogon nardus dried leaves by microwave hydrodistillation

Zuhdi Ma`sum, Heri Septya Kusuma, Ali Altway, Mahfud Mahfud


The application of face-centered central composite design for the optimization of patchouli oil extraction from Pogostemon cablin benth dried leaves using microwave hydrodistillation method

Heri Septya Kusuma, Ali Altway, Mahfud Mahfud


Extraction of an essential oil from fresh cananga flowers (Cananga odorata) using solvent-free microwave method

Ditta Kharisma, Yolanda Putri, Intan Ekawati Puspa Dewi, Heri Septya Kusuma, Mahfud Mahfud


An optimization of microwave hydrodistillation extraction of vetiver oil using a face-centered central composite design

Heri Septya Kusuma, Ali Altway, Mahfud Mahfud


A design and an optimization of an eco-friendly extract for inhibition of mild steel corrosion in sulphuric acid media

Joseph N.O. Ezeugo


Distribution of sulfur dioxide and phosphorus pentoxide in an air pool obtained by correlation and regression analysis

Mаlik N. Abdikarimov, Raushan Kh. Turgumbayeva, Saule S. Sagintayeva, Rasylbek Mussabekov, Gulzhan Sh. Ospanova


Determination of organophosphorus pesticides in liver samples using an optical biosensor

Spaska Yaneva, Iskra Stoykova, Dancho Danalev, Lubov Yotova


Study on the impact of the modifier К2СО3 on the texture parameters of newly synthesized gas mask carbons

Liliya Manoilova , Radostin Nickolov


Exploring the impact of different soft reducers in reduced graphene oxide synthesis

Diana Kichukova, Anna Staneva, Daniela Kovacheva, Ivalina Tzoneva


Chemical characterization and economic evaluation of the coal fly ash pre-washing and carbonation process

Alessandro Mazzella, Massimiliano Errico, Daniela Spiga


Guide for Authors


The present issue of Journal of Chemical Technology and Metallurgy was published with the financial support of the Bulgarian Fund “Scientific Research”, Contract No КП-06-НП/48/12.12.2018.