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Like Cement Material for Water Treatment
ISBN: 9783844304251 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Firing of agricultural residues to produce heat energy leads to char production which is the firing residues. This char is a mixture of unburnt carbon, some metallic oxides and silicon dioxide. While the amount of silicon dioxide present in the char is dependent upon the type of the agricultural residue, the amount of unburnt carbon is determined by air availability and firing temperature. The char remained after firing agricultural residues can be used as a thermal insulation for steel works, constructive material for cement, ceramics,brick use and as a fertilizer for cultivated land use....
Firing of agricultural residues to produce heat energy leads to char production which is the firing residues. This char is a mixture of unburnt carbo...
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219,18 |
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Adsorption of Actinides
ISBN: 9783844310580 / Angielski / Miękka / 112 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Shorttitle Humic Acid (HA) is an important constituent of soil organic matter which was the subject of several environmental studies. In this work the adsorption isotherms of Thorium(IV) and Uranium(VI) onto Azraq Humic acid (AZHA) were studied at different temperature and pH values. The results indicate that Thorium(IV) has higher adsorptivity than Uranium(VI). The increasing of pH resulted in higher adsorptivity of Actinides. In contrast to heavy metals and Lanthanides (entropy driven), the adsorption of Actinides on HA was found to be exothermic and so enthalpy driven. This leads to the...
Shorttitle Humic Acid (HA) is an important constituent of soil organic matter which was the subject of several environmental studies. In this work the...
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219,18 |
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Oxide Magnetostrictive Materials Based on Cobalt Ferrite
ISBN: 9783844385540 / Angielski / Miękka / 208 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
353,37 |
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Magnetic Interactions in Oxo-Carboxylate Bridged Gadolinium (III) Complexes
ISBN: 9781617610974 / Angielski / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Presents a study of complex formation between gadolinium(III) and carboxylate-containing ligands which investigates the factors that govern the magnetic coupling in the digadolinium(III) units.
Presents a study of complex formation between gadolinium(III) and carboxylate-containing ligands which investigates the factors that govern the magnet...
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cena:
259,53 |
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Promoting Effect of Lanthanum in Heterogeneous Catalysts
ISBN: 9781617612725 / Angielski / Twarda / 48 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The interest for studying lanthanum compounds has been growing in recent years due to their attractive properties for industrial and technological purposes. Several applications in different fields have been discovered, such as components in various optical, electrical and magnetic applications, as well as catalytic materials. In this case, they are widely used as catalysts, supports and dopants. As a dopant, lanthanum is often used for stabilising the gamma phase of alumina in catalysts designed for high temperature applications, such as in automotive three-way catalytic process, in...
The interest for studying lanthanum compounds has been growing in recent years due to their attractive properties for industrial and technological pur...
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cena:
259,53 |
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Design of Ceria-Based Nanocomposite Oxides for Catalytic Applications
ISBN: 9783844317916 / Angielski / Miękka / 168 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Regulations concerning automotive emissions are becoming more stringent in recent times and consequently more research efforts have directed toward lowering the environmental impact of pollutants emitted by vehicles and industries. In this context, the research focus has been aimed at the development of more efficient and highly resistant catalytic materials which could be able to maintain maximum durability while decreasing pollutant emissions to minimum levels. Three-way catalysts (TWCs) constitute the most satisfactory and efficient solution to reduce pollutant emissions from...
Regulations concerning automotive emissions are becoming more stringent in recent times and consequently more research efforts have directed toward lo...
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304,16 |
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Conversion of Refinery Materials Into Organometallic Precursors
ISBN: 9783844332513 / Angielski / Miękka / 112 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Anglo Platinum currently stores some of its recovered osmium as the relatively stable potassium osmate salt and ruthenium in the form of ammonium hexachlororuthenate or an acidic ruthenium solution at its refinery plant. To date the development of the chemistry of these starting materials to provide useful inorganic and organometallic precursors has not been extensively reported. This is partly due to the relative cost of osmium starting materials and the inertness of most osmium complexes and also the toxicity of osmium tetroxide. Most known ruthenium compounds are usually made from...
Anglo Platinum currently stores some of its recovered osmium as the relatively stable potassium osmate salt and ruthenium in the form of ammonium hexa...
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219,18 |
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Photodegradation of some dye pollutants
ISBN: 9783844304015 / Angielski / Miękka / 204 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Advanced oxidation technologies (AOT) have been developed for the detoxification of water contaminated with persistent organic chemicals. The method utilizing the strong oxidizing potential of the hydroxyl radical has proven effective and promising technologies which aim at the decolorization and mineralization of a wide range of contaminants including dyes. The strategies for generating the reactive hydroxyl radical ( OH) for these oxidation methods include UV photolysis of hydrogen peroxide (UV/H2O2), Fenton (Fe(+n)/H2O2) or photo-Fenton type reactions (UV/Fe(+n)/H2O2). Usually Fenton or...
Advanced oxidation technologies (AOT) have been developed for the detoxification of water contaminated with persistent organic chemicals. The method u...
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cena:
353,37 |
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Physico-chemical studies of metal complexes with N and S donor ligands
ISBN: 9783844312218 / Angielski / Miękka / 168 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This work describes the physico-chemical studies of metal complexes with N and S donor ligands. Emphasis has been given to the synthesis and characterization of polyazamacrocycles and dithiocarbamato complexes of transition metal ions and Sn(IV). They have been characterized by FT-IR, NMR (1H, 13C and 119Sn), mass spectrometry and X-ray crystallography. The synthesis of 14-membered hexaaza macrocyclic complexes of the type CuL]X2, CuL1]X2, CuL(N3)(ClO4).3/2O]n, CuL(N3)2] and CuL1(N3)(ClO4)]n was reported. The effect of anions on the gross geometry and chemical properties of the Cu(II)...
This work describes the physico-chemical studies of metal complexes with N and S donor ligands. Emphasis has been given to the synthesis and character...
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cena:
304,16 |
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Chemistry Practical Book
ISBN: 9783844328318 / Angielski / Miękka / 64 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Chemistry, the branch of science, deals nearly with every phase of our life. Nobody can deny its importance and applications in daily life. Chemistry is the practical subject, therefore, it is necessary that students must have a crystal clear understanding of practicals conducting in laboratories. Here an attempt has been adopted to train the young chemists to direct their approach towards the desired task easily.The book contains the basic first hand knowledge for undergraduate students. The book has been organized into three parts; Introduction, qualitative analysis, Synthesis and...
Chemistry, the branch of science, deals nearly with every phase of our life. Nobody can deny its importance and applications in daily life. Chemistry ...
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cena:
219,18 |
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Mixed Ligand (Acetylacetonato)(Chlorophenoxo) Zirconium(iv) Complexes
ISBN: 9783844304947 / Angielski / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The synthesis, structural characterization and reactivity of transition metal phenoxides is rapidly expanding field of study. The phenoxide ion is an important ligand in inorganic chemistry because it provides not only a strong metal-oxygen bond but a flexible organic moiety having an advantage over analogous alkoxide ligands in that electronic properties can easily be varied by changing the substituents in the phenyl ring and steric effects in close proximity to metal can be modified by varying the bulk of substituents at ortho and para positions of the ring. Recent research in...
The synthesis, structural characterization and reactivity of transition metal phenoxides is rapidly expanding field of study. The phenoxide ion is ...
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304,16 |
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Nanoporous Anodic Alumina with Hexagonal Ordering
ISBN: 9783838395708 / Angielski / Miękka / 224 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Nanoporous Anodic Alumina has received significant attention of the world researchers as a template for the low cost fabrication of nanostructures of metals, semiconductors, polymers, superconductors, etc. In the present work it has been demonstrated that the type of electropolishing pre-treatment and the resulting nano-features on aluminum surface can influence the hexagonal ordering of the pores developed during anodizing. Apart from improving the ordering quality the work has been extended to relate the photoluminescence with the ordering quality of anodic alumina, prepared at a...
Nanoporous Anodic Alumina has received significant attention of the world researchers as a template for the low cost fabrication of nanostructures o...
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cena:
353,37 |
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Synthesis, Characterization and Catalysis of Schiff Bases Complexes
ISBN: 9783844382877 / Angielski / Miękka / 284 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This work has been carried out to investigate thecatalytic activity of some Schiff Base complexes incyclopropanation of non-activated olefins. Ten newSchiff base ligands were prepared (three diamines andseven thiosemicarbazones) and Characterized byelemental analyses and spectral studies (IR, NMR, UVand mass spectroscopy). One of the prepared diamineligands was optically active. Moreover, sometransition metal complexes of these ligands wereprepared by the reaction of the transition metal ionswith these new ligands, and characterized byelemental analyses, spectrophotometric studies (IR, NMR,...
This work has been carried out to investigate thecatalytic activity of some Schiff Base complexes incyclopropanation of non-activated olefins. Ten new...
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cena:
353,37 |
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Stability Constant Study
ISBN: 9783847307440 / Angielski / Miękka / 120 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The equilibrium constants for trivalent metal ions (Fe3+ and Cr3+) and divalent metal ions (Cu2+, Ni2+ and Co2+) with ligands gallic acid, L-norleucine and nicotinic acid were studied by using pH-potentiometric titration in aqueous solution at 25oC (I = 0.15M NaNO3). In order to determine the stability constant values, the protonation constants of free ligands were also determined. The complexation model for each system was established by the software program "HYPERQUAD 2008" from potentiometric titration data. UV spectrophotometric measurement was carried out to confirm the complex that...
The equilibrium constants for trivalent metal ions (Fe3+ and Cr3+) and divalent metal ions (Cu2+, Ni2+ and Co2+) with ligands gallic acid, L-norleucin...
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cena:
219,18 |
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Modified Z-Scheme Photo-catalytic Water Splitting
ISBN: 9783847308294 / Angielski / Miękka / 100 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Solar light driven water oxidation photocatalyst Bi20TiO32 has been successfully synthesized through sol gel process. Photocatalytic activity of Bi20TiO32 for oxygen evolution using silver nitrate as sacrificial agent under UV light and visible light irradiation have also been studied and enhanced by the addition of co-catalyst iridium oxide and platinum to the photocatalyst. Furthermore, overall water splitting reaction using Bi20TiO32 in combination with CuFeO2 has also been conducted by conventional and modified Z-scheme process in both single and twin reactor. Photo-reduced graphene oxide...
Solar light driven water oxidation photocatalyst Bi20TiO32 has been successfully synthesized through sol gel process. Photocatalytic activity of Bi20T...
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cena:
219,18 |
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Role of Vanadium Complexes in Biological Systems & Oxidation Reactions
ISBN: 9783846549551 / Angielski / Miękka / 156 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Vanadium has been reported to be an essential bio-element for certain organisms, including tunicates, bacteria and some fungi. This book aimed to describe the coordination chemistry of vanadium with biologically relevant ligands and presents synthesis of oxo, dioxo and oxoperoxovanadium(V) complexes. Most common oxidation states are +IV and +V and generally stabilized through V-O bond. Oxocations [VO]2+, [VO]3+ and [VO2]+ are most common for biological systems. The development of structural and functional model complexes of vanadium haloperoxidases is the key motive of vanadium chemistry and...
Vanadium has been reported to be an essential bio-element for certain organisms, including tunicates, bacteria and some fungi. This book aimed to desc...
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cena:
263,91 |
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Alkali Metal Tungsten Bronzes
ISBN: 9783846595268 / Angielski / Miękka / 144 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Among the transition metal oxides, tungsten bronzes have attained considerable attention due to their chemical, electrical and optical properties which depend on the type of alkali-metal atom and its composition. The term tungsten bronze is applied to the non-stoichiometric compounds of general formula MxWO3 (0 > x > 1), where M is an alkali-metal atom. The common structural feature of these materials is the WO6 octahedra which are repeated along three directions through corner sharing. This structural arrangement provides various kinds of tunnels, which are at least partly occupied by alkali...
Among the transition metal oxides, tungsten bronzes have attained considerable attention due to their chemical, electrical and optical properties whic...
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cena:
263,91 |
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Chlorine: Properties, Applications & Health Effects
ISBN: 9781614709541 / Angielski / Twarda Termin realizacji zamówienia: ok. 5-8 dni roboczych. Gathers research from across the globe, in the study of the properties, applications and health effects of chlorine. This title includes topics such as: the influence of oxygen, ozone and chlorine on spectral characteristics of water clusters and the heterogeneous source of chlorine in the troposphere.
Gathers research from across the globe, in the study of the properties, applications and health effects of chlorine. This title includes topics such a...
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cena:
955,01 |
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Ammonia: Structure, Biosynthesis & Functions
ISBN: 9781621005025 / Angielski / Twarda / 147 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Ammonia is a natural and common nitrous agent affecting all vital processes in animal, plant and bacterial cells. In organisms, it is produced by about two hundred enzyme reactions, thus being an essential and harmless metabolite. At high concentrations, ammonia becomes a strong toxin. In this book, the authors present current research in the study of the structure, biosynthesis and functions of ammonia. Topics include the biochemical studies on energy metabolism in animals in acute ammonia intoxication; development of distributed fibre optic sensors of ammonia gas; inhibition of rRNA...
Ammonia is a natural and common nitrous agent affecting all vital processes in animal, plant and bacterial cells. In organisms, it is produced by abou...
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cena:
695,43 |
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Progress in Inorganic Chemistry Bundle
ISBN: 9780470387900 / Angielski / Twarda / 3932 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
3134,54 |
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