Results 21 to 30 of about 827,770 (161)
Crystals, 2020 The preferential incorporation of carboxylic acids into aragonite and its effects on the crystal growth and physicochemical properties of aragonite were systematically investigated using a seeded co-precipitation system with different carboxylic acids ...
Seon Yong Lee +3 more
doaj +1 more source
Open Chemistry, 2020 In this study, the root exudates of wetland plants, Pistia stratiotes, black algae, and Cyperus alternifolius, exposed to six phosphorus concentration gradients (0, 0.2, 1, 5, 10, and 20 mg/L) were characterized.
Duan Xu, Zhao Yang-yi, Zhang Jian-cong
doaj +1 more source
ISOTHERM ADSORPTION STUDY OF THE SOME DICARBOXYLIC ACID BY MANGANESE DIOXIDE [PDF]
مجلة جامعة الانبار للعلوم الصرفة, 2014 The adsorption process for Aliphatic and Aromatic dicarboxylic acid on manganese dioxide was studied briefly as a polluted material which produced in nature.
KHALEL I. AL-NIEMI +2 more
doaj +1 more source
Synthesis and characterization of new phthalimides and succinimides substituted with 1,3,4-oxadiazole ring [PDF]
مجلة جامعة الانبار للعلوم الصرفة, 2012 A series of new phthalimides and succinimides connected to 1,3,4-oxadiazole moiety were synthesized via multistep synthesis. The first step involved synthesis of six 5- substituted 2- amino-1,3,4-oxadiazoles by oxidative cyclization of substituted ...
Ahlam Marouf Al-Azzawi +1 more
doaj +1 more source
, 1962 ∆2,6-Dihydrophthalic and trans-∆ 3.5 -dihydrophtalic acids have been condensed with different phenols; the phthaleins obtained have been studied and compared with phthaleins from phthalic acid.
J. D. Tewari, S. D. Loiwal
core +1 more source
Geometry and conformations of benzenecarboxylic acids [PDF]
Journal of the Serbian Chemical Society, 2004 The geometry, conformations and energy of mono-, di-, and tri-carboxylic derivatives of benzene were studied by means of the AM1 molecular-orbital method.
IVAN GUTMAN +2 more
doaj
Food Chemistry Advances, 2023 This study investigated the metabolite signatures and distribution in cooked whole wheat pasta enriched with Bambara groundnut using gas chromatography high-resolution time-of-flight mass spectrometry (GC-HRTOF-MS).
Samson A. Oyeyinka +6 more
doaj +1 more source
Cerate oxidimetry: oxidation of maleic, fumaric, benzoic, salicylic and phthalic acids
, 1954 1. It has been shown that maleic, fumaric, benzoic, phthalic and salicylic acids can be oxidized completely to carbon dioxide and water by ceric sulphate in the presence of concentrated sulphuric acid. 2.
Sharma, N. N., Mehrotra, R. C.
core +1 more source
Analysis of chemical signatures of alkaliphiles using fatty acid methyl ester analysis
Journal of Pharmacy and Bioallied Sciences, 2017 Background: Fatty acids occur in nearly all living organisms as the important predominant constituents of lipids. While all fatty acids have essentially the same chemical nature, they are an extremely diverse group of compounds. Materials and Methods: To
Basha Sreenivasulu +5 more
doaj +1 more source
Seasonal variations of water-soluble organic carbon, dicarboxylic acids, ketocarboxylic acids, and α-dicarbonyls in Central Himalayan aerosols [PDF]
Atmospheric Chemistry and Physics, 2012 Aerosol samples were collected from a high elevation mountain site (Nainital, India; 1958 m a.s.l.) in the central Himalayas, a location that provides an isolated platform above the planetary boundary layer to better understand the composition of the ...
P. Hegde, K. Kawamura
doaj +1 more source