Results 241 to 250 of about 2,535,957 (290)

Effect of oxalic acid treatment on the oxidation efficiency of maize stover cellulose and controllable preparation of nanocellulose. [PDF]

RSC Adv
Han W, Xu H, Qiu F, Liu J, Gu H, Xue Z.
europepmc   +1 more source

Role of oxalic acid in fungal and bacterial metabolism and its biotechnological potential. [PDF]

World J Microbiol Biotechnol
Grąz M.
europepmc   +1 more source

Two-step tandem electrochemical conversion of oxalic acid and nitrate to glycine.

EES Catal
Xu YZ, Abbott DF, Poon LN, Mougel V.
europepmc   +1 more source

Ultrasonic degradation of oxalic acid in aqueous solutions

Ultrasonics Sonochemistry, 2006
This paper describes the ultrasonic degradation of oxalic acid. The effects of ultrasonic power, H2O2, NaCl, external gases on the degradation of oxalic acid were investigated. Reactor flask containing oxalic acid was immersed in the ultrasonic bath with
Guenduez, G., Duekkanci, M.
exaly   +2 more sources

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13C chemical shielding in oxalic acid, oxalic acid dihydrate, and diammonium oxalate

The Journal of Chemical Physics, 1975
13C chemical shielding tensors in three oxalates were investigated in order to determine the effects of protonation and conformation changes on the tensor elements and their orientations. The experimental results, together with those in the accompanying paper [R. G. Griffin and D. J. Ruben, J. Chem. Phys.
R. G. Griffin, A. Pines, S. Pausak, J. S. Waugh   +3 more
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Measurements of Oxalic Acid, Oxalates, Malonic Acid, and Malonates in Atmospheric Particulates

Environmental Science & Technology, 2008
This study systematically examined effects of analytical approaches on resultant concentrations of oxalic acid, oxalates, malonic acid, and malonates. Results demonstrated that employing separate water extraction and THF extraction is required to properly quantify dicarboxylic acids vs dicarboxylates using IC or GC-MS.
Yang, L., Yu, L.E.
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Oxalic Acid as a Uremic Toxin

Journal of Renal Nutrition, 2008
Oxalic acid (OA) is thought to be a uremic toxin that participates in the pathogenesis of uremic syndrome. The objectives of this study were to: (1) evaluate the plasma levels of OA in patients with chronic renal disease with various levels of glomerular filtration rate and after renal transplantation; (2) investigate the salivary secretion of OA and ...
Miroslav, Mydlík, Katarína, Derzsiová
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Gamma Radiolysis of Oxalic Acid and Selected Metal Oxalates

Radiation Research, 1976
Solid samples of hydrated and anhydrous oxalic acid were irradiated with doses of 1 to 200 Mrad of gamma radiation. The G(CO/sub 2/) values, 7.4 and 4.7, respectively, for H/sub 2/C/sub 2/O/sub 4/ and H/sub 2/C/sub 2/O/sub 4/ . 2H/sub 2/O were determined via gas chromatography after acid dissolution of the samples.
P L, Dougherty, W C, Gottschall
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Oxalic acid determination in plasma

Clinica Chimica Acta, 1976
A method is described for the estimation of oxalic acid in plasma. After removing interfering substances with an ion-exchange resin, oxalic acid is reduced to glycolic acid, which forms a coloured compound with chromotropic acid. No special equipment is required. A good recovery and precision are found.
P G, Krugers Dagneaux, J T, Klein Elhorst, F M, Olthuis   +2 more
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[Analysis of oxalic acid and oxalates].

Zeitschrift fur Urologie und Nephrologie, 1980
It is reported on individual methods for the estimation of the oxalic acid in body fluids, particularly in the urine. The case in question is a survey of the oxalate estimation methods, which, however, has no pretensions to completeness. The at present most actualestimation methods are brought somewhat more in detail.
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