Phthalic acid
← Return to Article Details REMOVAL OF PHTHALIC ACID AND ISOPHTHALIC ACID FROM AQUEOUS SOLUTION BY ANION EXCHANGE RESIN
... As a kind of endocrine disrupting chemical, phthalic acid esters (PAEs) show estrogen effects and a variety of biological toxicity. Investigations have shown that PAEs can reduce fertility and pregnancy ...
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Effervescence-assisted Dispersive Liquid-liquid Microextraction for Trace Analysis of Co(II) and Ni(II) from Aqueous Sample Based on Phthalic Acid as a Complexing agent and Co-disperser
... Germany) by dissolving an appropriate amount of each salt in deionized water (Ghazi Company, Tabriz, Iran). A working standard solution (100 ng l -1 of each) was prepared daily by diluting the stock solution with ...
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Kinetics and mechanism of oxidation of mixture of oxalic acid and phthalic acid by chromic acid in presence of chlorosubstituted acetic acid (monochloroacetic acid) and salts
... oxalic acid and phthalic acid are carbon dioxide and phthalic anhydride, which may confirmed by their usual ...of acid mixtire by chromic acid in presence of monochloroacetic ...
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Electrochemical Response of Dopamine at Phthalic acid and Triton X-100 Modified Carbon Paste Electrode: A cyclic voltammetry study
... The carbon paste electrode was prepared as fallows 70% graphite powder and 30% silicone oil were mixed by hand to produce a homogeneous carbon paste .The paste was then packed into the cavity of a homemade carbon paste ...
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← Return to Article Details PHTHALIC ACID: A GREEN, BIODEGRADABLE AND ENVIRONMENTALLY BENIGN NATURE DIFUNCTIONAL BRØNSTED ACID CATALYST FOR THE ONE-POT SYNTHESIS OF 3, 4-DIHYDROPYRIMIDIN-2- (1H)-ONE DERIVATIVES AND SUBSTITUTED DIHYDRO-2-OXYPYRROLES
... A mixture of amine (5, 1.0 mmol) and dialkyl acetylenedicarboxylate (6, 1.0 mmol) was stirred in MeOH (3 mL) for 15 min. next, amine (7, 1.0 mmol) and formaldehyde (8, 1.5 mmol) and phthalic acid (0.025g) ...
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Formation Constants of Mixed Ligand Complexes of Indium (III) with Some Amino Acids (Alanine, Phenylalanine and Serine) and Phthalic Acid at DME
... The test solution were prepared in measuring flasks of pyrex glass using conductivity water. The solutions contain 1mM of In(III) with varying concentrations of strong ligands (DL- Alanine, L-Serine and L-Phenylalanine) ...
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The Impact of Storage on Phthalic Acid Esters Concentrations in Yogurts Packed in Plastic Cups
... The phthalic acid ester concentrations in cups, which were used for yogurts, were for dibutyl phthalate of 59.5 ± 31.7 µg / g plastic and for di‑(2‑ethylhexyl) phthalate of 9.0 ± 3.5 µg / g plastic. The ...
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UV Irradiation and Near Infrared Characterization of Laboratory Mars Soil Analog Samples: the case of Phthalic Acid, Adenosine 5’-Monophosphate, L-Glutamic Acid and L-Phenylalanine Adsorbed onto the Clay Mineral Montmorillonite in the Presence of Magnesium Perchlorate
... a plausible precursor of the chlorohydrocarbons detected on Mars by Curiosity , namely phthalic acid, as well as the biomarkers of extant life L- phenylalanine and L-g[r] ...
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STUDIES ON PHTHALIC ACID PROPANE 1, 2 DIOL GLYCEROL CO POLYESTER AS AN ENTERIC COATING MATERIAL
... Phthalic acid, propane-1, 2-diol and glycerol were the monomers of the synthesized co-polyester and were purchased from E. Merk Limited, Mumbai (98-99%). Core tablets of diclofenac sodium (DS) 50 mg ...
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Glycine–phthalic acid (1/1)
... ecule exists as a zwitterion (2-azaniumylethanoate) with a positively charged amino group and a negatively charged carboxylate group. In the crystal, N—H O and O—H O hydrogen bonds link the components into layers ...
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Phthalic acid esters (PAEs) in the food chain
... Phthalic acid esters (PAEs) rank among the primary risk pollutants and their adverse effects may endanger the envi- ronmental balance and affect the ontogenetic development of live organisms and their body ...
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Screening and Application of Phthalic Acid Degrading Bacteria
... that phthalic acid and its derivatives are also the main alle- lopathic autotoxic substances that cause continuous cropping barriers of tobac- co, soybean, maize and other important economic plants [4], and ...
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Nanocrystalline Titania catalysed oxidations of Lactic acid, Glutaric acid and Phthalic acid
... carboxylic acid oxidation is required and the data may be useful for the investigations on the complete mineralization of organic ...L-Lactic acid that are detected in appreciable amounts in the ...like ...
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Distribution of phthalic acid esters in agricultural plants and soil
... Phthalic acid esters (PAEs) have long been used as plasticizers of polymer materials. These materials gain fl exible features, improve adhesion and solubility. They are most o en added to paints, varnishes, ...
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Liquid phase pyrolysis of hydrogen phthalate esters of some tertiary alcohols.
... 49 All the components which resulted from thermal decom position of the hydrogen phthalate esters were colourless liquids and were free from phthalic acid. The crude olefinic mixtures were subjected ...
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SOLUTE-SOLUTE AND SOLUTE-SOLVENT INTERACTIONS OF SOME ORGANIC ACIDS IN DIOXANE-WATER MIXTURES
... Pure sample of adipic acid (ADP), malonic acid (MAL), phthalic acid (PHT) and salicylic acid (SAL) are used without further purification. Water-dicxane mixture of composition 30, 40, ...
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3,3′ [Biphenyl 4,4′ diylbis(oxy)]diphthalic acid
... the phthalic acid fragments, the carboxy groups in meta positions are approximately coplanar with the attached benzene rings being inclined to their planes at ...
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Vol 7, No 11-12 (2018)
... phthalic acid hydrazide. Then, 5-nitroindole-3- carboxaldehydes (3a) (10 mM) and malononitrile/ethylcyano acetate (4) (10 mM) were added to this reaction mixture and again heated for 20-35 min (until no ...
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Ultrasonic and Cooling Approaches for Reinforcement of the Microextraction Methods
... More evaluation of CF-SPME was continued in 2011 by introducing a new optimization procedure for gaseous phase sampling of PAHs and phthalic acid esters (PEs) [69]. To increase [r] ...
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Validated Method for the Detection of Three Phthalates Derived from Marine Invertebrates
... widespread phthalic acid esters (PAEs) bis(2-ethylhexyl) phthalate (DEHP), di-n-butyl phthalate (DBP) and di-n-octyl phthalate (DnOP) from solitary ascidians collected from a marine ...
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