About: chem-xpert

Surface Area and Pore Structure of Some Dehydrocyclization Catalysts

Complexes of Molybdenum (V) ADN (VI) With Some Ligands Having Nitrogen, Sulphur Donars

Synthetic and Biocidal Studies of Some Substituted Diphenylamines and their Copper (II) Complexes

Studies of Metal Complexes of Cr (III), Mo (III), Ft (III) and Co (III) With 5-Chloro 2,3-Dihydroxypyridine

Essential Oils of Some Saudi Pulicaria and Artemisia Species

An Assessment of Sequential Triplicate Sampling in Water Quality Analysis

Polarographic Determination of Chlordiazepoxide Hydrochloride

Synthesis and Reactions of 2,3-Dihydro (5h) 5-Aryl-7- Thiazolo(3,2-a)-Pyrlmidine-3-One. Derivatives of Potential Antibacterial Activities

Chelating Behaviour of Thiohydroxamic Acid : Lanthanon Chelate of 1-Hydroxy-1-(P-Ethoxy)-3~Alkyl/Aryl Thiourea

Extraction-Spectrophotometric Determination of Palladium (II) With 2-Hydroxy-1-Naphthaldehyde-4-Phenyl-3-Thiosemicarbazone

Diuretic and Antibacterial Activity of Cu (II), Ni (II) and Co (ll) Complexes With Hydroxycoumarin

Ethno-Medicobotany of Cissus Quadrangularis Linn.

A New Hydroxyketone from the Seeds of Musa Balbisiana

Residual Estimation of Dichlorvos in Triticum Vulgare, Linn and Glycine Max Linn

Spectrophotometric Determination of Cephalexin Pharmaceutical Formulations using Copper (II) Acetate as Analytical Reagent

A Conductance and Isolation Study of Alkali Metal Ions With Acetoacetate Diester of Polyethylene Glycols in Non Aqueous Solvent

Determination of Trace Elements in Drinking Water for Riyadh Metropolitan Area by Inductively Coupled Plasma-Mass Spectrometry (ICP/MS)

Synthesis and Biological Activities of Some Cyclodiphosphazane Derivatives

Thermodynamic Study of Complexation of Some Transition Metal Ions With 2-Substituted Thiazolidine-4-Carboxylic Acids in Aqueous-Ethanol Medium

Physico-Chemical Studies of Some Substituted Bipyridines in Aqueous NaCIO4, Solutions Part 2. UV Spectrophotometric Measurements

Structural Studies on the Complexes of La (III), Pr (III), Nd (III), Gd (III), and Dy (III) with N ∝ Naphthyl Oxamic Acid

Comparative H.P.L.C Separation of Protein and Amino Acid Contents in Soyabean (Glycin Max (L)) and Broad Bean (Viccia Faba (L)) With Reference to Thier Seed Size

Coordination Polymers of La(III) Acetate With Terephthalaldehyde Bis Isomcotinic Acid Hydrazide

Kinetics of Reduction of Manganese (III) Ethylene Diamine Tetraacetate in Aqueous Solutions

Biochemical Responses of Brassica Juncea to Air Pollution

Synthesis of New Complexes of Cadmium

Physico-Chemical Studies of Some Substituted in Pyridines in Aqueous NaCIO4 Solutions Part 1. Synthesis and Characterization

Naproxen : New Derivatives as Potential Analgesic Antiinflammatory Agents

Vibrational Spectra of 6-Amino-5-Nitroso-2-Thiouracil

Spin State Equilibria in Solution: Investigations on TRIS (2-(Aminomethyl)-Pyridine) Iron (II)-Tetraphenylborate in Nonaqueous Solvents

Synthesis of New Complexes of Mercury

Morphological and Biological Changes in Black Gram Due to Argon Ion Laser Irradiation

Phytochemical Studies of the Seeds of Jatropa Curcas Linn

Synthesis of Indole Derivatives With Polyphosphate Esters

Studies on Conductivity of Magnesium Soaps

Effect of Chance of Solvents on the Protonation Constant and Other Characteristics of 2,2′-Bipyridine and 1,10-Phenanthroline

Electronic Spectroscopic Studies of L-Ascorbic Acid and Adenine

Effect of the Collective Electron Oscillations on the X-Ray Absorption Edges in Metal-Compounds and their Applications

Hyperglycemic Effect of Calcium Antagonists Related Serum Chromium Level in Rats

Spectrophotometry Characterization of Some N-(5-Nitro-2-Furfurylidene)-Benzhy Drazide Derivatives

Effect of DDT on Serum Adenosine Triphosphatase Activity in Rats

Status of Dissolved and Suspended Solids in Tropical Oxidation Ponds and their Removal Through Bio-Chemical Interaction

Complex of Silver (I) With Sulphadimidine an Antibacterial Agent

Photometric Titration of Hydroquinone

Formation of Binary and Ternary Complexes of Eriochrome Blue Black-R With M (II) Ions in Presence of N’N-Donors

Synthesis and A Novel Reaction of 3-Substituted-5-Methyl (1, 2, 4) Triazolo (3, 4 b) Benzothiazoles

The Vibrational Analysis of Dimethyl Sulfoxide and Dimethyl Sulfoxids-d6

Apparent Molar Volumes of Copper (II) Soap Solutions in Non-Aqueous Solvents

Three Co-Ordinate Mercury (I) Complexes of Triazene-1-Oxides

Solvent Extraction Of Chromium (III) from Aqueous Mineral Acid Solutions by Di-(2 Ethylhexyl) Phosphoric Acid

Synthesis and Electron Impact Studies of Some 3-Substituted S-Triazolo (5,4-b) Naphtho (2,1-d) Thiazoles

Interaction of Transition Metal Ions With Ninhydrin and Some .N N; N.O and O,O Donor Ligands in Aqueous Medium*

Potentiometric Studies on Ternary Complexes Containing Some Schiff Bases, Divalent Metal Ions and Selected N,N Donors

Synthesis of Certain Fused 1,3,4-Thiadiazoles and 1,3,4-Thiadiazepine

pH Metric Studies on Complexes of Dipositive Transition Metal Ions With 2-Methyl-4-Thiazolyl Benzoyl Ketoxime in Non-Aqueous Media

Synthesis of Imidazolo (5, 4-d] Pyrido [1, 2-A] Pyrimidine and Pyrazino [5, 6-e] Pyrido [I, 2-a] Pyrimidine and Pyrido [1:2, 1:2] Pyrimido |5, 4-e]-1, 4-Diazepine With Expected Biological Activity

Synthesis of Certain 6-Chloro 2-Substituted Quinazolin-4-Ones, 6-Chloro 2,4 Disubstituted Quinazolines and Related Fused Analogues as Counterparts of Folic Acid Analogues

Trace Level Spectrophotometric Determination of Lead Using Pan and Par in Aqueous Phase

Thermal Analysis of Thione Compounds II the Thermal Behaviour of N-Ethyl-Thiourea, N,N’ Diethyl- Thiourea and N-β-Allyl Thiourea

Electrochemical Synthesis and Studies of Catechol-Amine Polymers

Future Trends of Thermal Analysis (A Review)

Study of Fluorine Contents of Indian Tea

Chemical Examination of Fruits of Terminalia Belerica Roxb

pH Dependence of Solubilities of Copper, Calcium Hydroxyl- Apatite and its Solid Solutions Containing Arsenate

Stereo-Chemical Investigation of 2-Amino-4-(P-Chloro-Phenyl)-Thiazole Complexes With Bivalent Mn, Co, Ni, Cu and Zn Acetyl Acetonates

Synthesis, Spectral and Bio-Activities of Some Lanthanide (III) Iodides Chelates of 4 [N-(M-Methoxy-Benzalidene) Amino] Antipyrine

Solvation of Trichloroacetic Acid in Nitrobenzene Ethanol Mixtures at Various Temperatures-an Ultrasonic study

Study of Plasma Oscillations in Semi-Conductors During the Shifting of X-Ray Absorption Edges

Effect of Nitrogen Laser Rays on Some Glycolytic Enzymes of Germinating Green Gram (Vigna Radiata)

Alkylidenes of Cyclic 1,3 Diones : Amine Catalysed Knoevenage Reaction

Leucine Aminopeptidase from Arachis hypogaea L. Seeds Partial Purification and Characterization

Introduction Arachis hypogaea L. (Peanut)  is one of seeds that has great quantity of oil and protein , therefor, it is considered as very important food legume to human nutrition in the world ....

Silver Bullet for the Computation of Equivalent Weight of Sodium Thiosulphate in the Reaction 2S2O2-3 + I2 → S4O2-6 +2I- A Chemical Education Article for Freshmen Student

Introduction If one attempts to calculate the equivalent weight of hypo in the title reaction i.e. the reaction between sodium thiosulphate and iodine molecule, the conventional method involves the evaluation of the oxidation state...

A Comparison Between Different Properties of Bromoxynil and its Derivatives by DFT Method

Introduction Agrochemicals have become a fundamental input in agriculture crop production and leading the industry to achieve its transformation in-line with the changing demands from the growers as well as to suit the changing...

Antibacterial Activity Exerted by Some Diazabicyclo-Steroid Derivatives Against Staphylococcus Aureus and Streptococcus Pneumoniae

Introduction Infectious diseases are one of the main causes of morbidity-mortality in the world1,2. There are several reports which indicate that some causal agents,such as Staphylococcus aureus3, Streptococcus pneumoniae4 and othersare involved in infection diseases...

Synthesis and Characterization of Manganese, Copper and Zinc Complexes Derived from Schiff-Base Ligand

Introduction The schiff base transition metal complexes have invited the attention of Inorganic Chemists because of vast application in pharmaceutical and industrial fields.(1-5)Due to their simple synthesis and versatility Schiff  complexes continue to remain...

Nonferrous Materials Extraction from Heavy Oil with using Electro activated Water-Salt Solutions

Introduction The task of improving the processes of oil refining necessitates the use of all its components, including microelements. On the one hand, heteroatomic oil compounds can be considered as a potential source of...

Distribution of Manganese and Iron in the two Compartments of Wadi Tislit-Talssint, Descriptive Study and Variance Analysis

Introduction Some metallic elements, such as iron and manganese present in the state of traces, are essential for organisms, but in low doses1. However, increasing concentrations in the environment cause toxicity. These two chemical...

Extraction of Methylcellulose from Wheat Straw of Himachal Pradesh, India

Introduction Generally wood is more costly than non-wood. Wood is the vital wellspring of Cellulose for manufacturing paper. Likewise with the enlargement of paper ventures in the nation, mash containing plants are being utilized...

Study of Inhibition and Adsorption Properties of Mild Steel Corrosion by Expired Pharmaceutical Gentamicin Drug in Hydrochloric Acid Media

Introduction Simple accessibility, minimal effort of mellow steel has numerous industrial applications. It is broadly utilized as a part of different ventures like sugar, cowhide, sustenance, petrochemical, paper and material businesses. In most mechanical...

Estimation of Related Substances in Tigecycline by Rp-Hplc Method

Metal Distribution at River Water of Mining and Nickel Industrial Area in Pomalaa Southeast Sulawesi Province, Indonesia

Introduction An abundant potential of metal mineral resources in Indonesia consists of ferrous and many others (iron, nickel, cobalt, base metal, and rare earth metal)[i],[ii]. Indonesia is the second biggest country which produces nickel...

Effect of Some Transition Complexes on Bacteria and Fungi Causes Gastroenteritis in Human

Gastroenteritis (GIT) Is a condition called satisfactory inflammation of GLT, which includes both of the stomach and small intestine, which lead to the total of symptoms such as diarrhea, vomiting, abdominal pain and spasm...

Correlation Between Parameters Related to Intramolecular Hydrogen Bond Strength and Hammett Constant in Para Substituted Benzoylacetone: A Theoretical and Experimental Study

Introduction The concept of hydrogen bond, for the first time, had been proposed by Huggins in 1919 1. After that, many theoretical and experimental works have been done to study the properties of intramolecular...

Oxidation of Hydroxylamine by Waugh Type POM, Enneamolybdomanganate(IV) Ion: A Kinetic and Mechanistic Study

Introduction Hydroxylamine is an intermediate between nitrous oxide and ammonia, it can be oxidized to nitrous oxide and reduced to ammonia1. Its redox chemistry also has biological importance as in nitrification it is oxidized...

Physico-Chemical Characteristics of Toothpastes and Natural Powder and Study Their Antibacterial Activity Against Viridans Streptococci Bacteria

Introduction Toothpaste is one of important care products which are necessary for healthy teeth and oral hygiene. Toothpaste was made for teeth cleaning and protecting the mouth from oral microorganism. The ingredient in toothpaste...

Isotherm and Kinetic Study of Disulfin Blue and Methyle Orange Dyes by Adsorption onto by Titanium Dioxide- NPs loaded onto Activated Carbon : Experimental Design

Introduction Hues are widely used in the fabric, paper, plastic, leather, guest–host liquid crystal displays, solar cells, food and mineral processing industries. The effluents containing hues and pigments have been paid great attention in...

Phytochemical and in Vitro Antioxidant Activity of Various Bark Extracts of Syzygium Cumini (L).

Introduction In the modern work culture, there are numerous reasons that lead to oxidative stress in body which is challenging to cope with and leads to many disorders like early aging and age related...

Adsorption of Thymol Blue and Erythrosine-B on MWCNTs Functionalized by N-(3-nitrobenzylidene)- N’-trimethoxysilylpropyl-ethane-1,2-diamine Equilibrium, Kinetics and Thermodynamic Study

Introduction Dyes and pigments have been released in the waste-waters from textiles, papers, rubbers, plastics, leathers, cosmetics, foods, and drug industries1. These dyes make allergic dermatitis1, skins irritation, cancers and mutations in living1,2 organism....

Supercritical Fluid Extraction as A Technique to Obtain Essential Oil from Rosmarinus Officinalis L.

Introduction Rosemary (Rosmarinus officinalis L.) is a Long-lasting evergreen herb that belongs to the Lamiaceae family1. Rosemary is native to the Mediterranean region. It possesses needle-like leaves which contain a powerful fragrance2. It is...

Synthesis and Characterization of Substituted Metal (II) – Octa Methoxyphenyl Imino Phthalocyanine Pigments

Introduction Phthalocyanines ( Pc) have been worldwide focused on attention to explore and exploit the various versatile chromophores. Phthalocyanines are blue or green in color have been widely exploited as colorants. Phthalocyanines have a...