Browsing Makale Koleksiyonu by Subject "Kimya"
Now showing items 1-20 of 33
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Adsorption of some textile dyes by hexadecyltrimethylammonium bentonite
(2001)In this study, hexadecyltrimethylammonium (HDTMA) bentonite was synthesized by placing alkylammonium cation onto bentonite. Adsorption of some textile dyes such as Everdirect Supra Yellow PG, Everdirect Supra Orange 26 CG, ... -
Adsorptive features of polyacrylamide{aluminosilicate composites for methyleneblue
(2016)Polyacrylamide{montmorillonite (PAAm-Mt) and polyacrylamide{clinoptilolite (PAAm-Z) composites wereprepared by cross-linked polymerization of acrylamide in dispersions of Mt and Z. The composites were characterizedby FT-IR, ... -
BİYODEDEKTİF; HAM PETROL SIZINTISI VE ÇEVRE KİRLİLİĞİ ARAŞTIRMALARINDA BİYOMARKER VERİLERİNİN KULLANIMI
(2017)Kazalar veya ihmaller sonucunda ham petrol ve rafinasyon ürünleri ile oluşan deniz veya kara ekosistemindeki kirliliklerin biyomarker verileri ile araştırılması, kaynağa ait izlerin takibi ve buna neden olan kaynağın (petrol ... -
A comparison of adsorption isotherms of crosslinked poly (N-vinylpyrrolidone)/ basic brown 1 binding system
(1996)In this study, the binding of a basic dye such as basic brown 1 [BB 1] onto a crosslinked poly(N-vinylpyrrolidone) [CPVP] was investigated. Adsorption of the azo dye onto the CPVP was studied by the batch adsorption technique ... -
Determination of Bisphenol A in Beverage Samples Using Ultrasonic- Extraction and Atomic Absorption Spectrometry
(2017)In this work, a simple and versatile ultrasound-assisted extraction (UAE) procedure, which provides high separation efficiency for bisphenol A (BPA), was developed for its indirect determination in beverages in contact ... -
Determination of calcium, magnesium and aluminium in magmatic rocks after ultrasonic leaching by flame AAS
(2002)A method of ultrasonic leaching has been developed for the destructive analysis of magmatic rock $samples^1$. This method was applied to determine three new elements, Ca, Mg and Al, in magmatic rock samples. The accuracy ... -
Determination of manganese and iron in magmatic rocks after ultrasonic leaching by flame AAS
(2002)An alternative sample preparation method has been developed for destructive analysis of magmatic rock sample. The method simply included the crushing, HF treatment and 1% HCl leaching steps of the rock samples under ... -
The determination of some heavy metal cations by TLC/ photodensitometry
(1996)The samples having complex matrices were analyzed for some heavy metal cations by using a thin layer chromatography/photodensitometry (TLC/PD) system. The rock samples were dissolved by suitable methods. Nickel, Cobalt and ... -
DETERMINATION OF THERMAL PROPERTIES OF A82 ORGANIC PHASE CHANGE MATERIAL EMBEDDED WITH DIFFERENT TYPE NANOPARTICLES
(2018)The low thermal conductivities of organic phase-change materials must be increased so that they can be used effectively in practice. In this work, it is aimed to enhance the thermal conductivity of PCM by adding nanoparticles ... -
Determination of trace amounts of iodide by an inhibition kinetic spectrophotometric method
(2004)In this study, the reaction between Co(III)-EDTA and hypophosphite ion, catalyzed by Pd(II), was chosen as the indicator reaction. The inhibition kinetics of this catalytic reaction were investigated in the presence of ... -
Effect of New Water-Soluble Dendritic Phthalocyanines on Human Colorectal and Liver Cancer Cell Lines
(2017)Human hepatocellular carcinoma (HepG2) cells and colorectal adenocarcinoma (DLD-1) cells were treated with the synthesized water soluble phthalocyanine derivatives to understand the effect of the compounds both on colorectal ... -
Experimental and Computational Investigations of Decolourization of Rhodamine B in Aqueous Solution
(2017)The aim of the study was comparatively to investigate decolourization of Rhodamine B (RhB) in aqueous solution using photocatalytic and ultrasonic processes. Also, computational investigations of RhB0 and RhB+- compounds ... -
FORMIL KROMON SCHIFF BAZLARININ ANT?OKS?DAN AKT?V?TELER?N?N DFT ÇALIŞMASI
(2015)Besinlerdeki antioksidan bileşikler, sağlığı koruyucu unsurlar olarak önemli rol oynarlar. Bilimsel kanıtlar, antioksidanların kanser ve kalp hastalıkları gibi kronik hastalıklar için riski azaltabildiklerini göstermektedir. ... -
Grafen Oksitin Ksantin Oksidaz Aktivitesi Üzerine İn Vitro Etkisinin İncelenmesi
(2017)Grafen karbon atomlarının altıgen bir kafes şeklinde düzenlenmesi ile oluşan iki boyutlu bir yapıdır ve biyolojik sistemlerin de dahil olduğu çeşitli uygulama alanlarına sahiptir. Bu çalışmada grafen oksitin (GO) pürin ... -
Influence of some crosslinkers on the swelling of acrylamide-crotonic acid hydrogels
(1997)Acrylamide-crotonic acid hydrogels in the form of rods are prepared by $\gamma$-irradiation of quaternary mixtures of acrylamide-crotonic acid-crosslinker-water with 2.6 and 5.2 kGy $\gamma$-rays. The influence of the ... -
Kinetic spectrophotometric determination of trace copper(II) ions by their catalytic effect on the reduction of brilliant cresyl blue by ascorbic acid
(2011)In the present study, a novel catalytic-kinetic spectrophotometric method was developed for the determination of trace amounts of copper. It is based on the catalytic effect of Cu(II) on the reduction of brilliant cresyl ... -
Lie Ideals of Semiprime Rings with Generalized Derivations
(2018)Let R be a 2-torsion free semiprime ring, U a noncentral square-closed Lie ideal of R. A map F:R?R is called a generalized derivations if there exists a derivation d:R?R such that F(xy) = F(x)y + xd(y) for all x,y?R. In ...