Results 21 to 30 of about 5,782,140 (394)

Nitric acid scavenging by mineral and biomass burning aerosols [PDF]

, 1998
The abundance of gas phase nitric acid in the upper troposphere is overestimated by global chemistry-transport models, especially during the spring and summer seasons.
Chatfield, R B, Dibb, Jack E., Jacobson, M Z, Lin, J S, Singh, H B, Tabazadeh, A, Talbot, R., Thakur, A N, Toon, O Brian   +8 more
core   +2 more sources

Periodic current oscillations of zinc in nitric acid solutions [PDF]

Journal of the Serbian Chemical Society, 2008
This paper presents current oscillations of a Zn anode in solutions of nitric acid and potassium dichromate. The effects of the nitric acid concentration were investigated.
Crisan Florin, Salló Ervin
doaj   +1 more source

AN EXPERIMENTAL INVESTIGATION FOR THE SYNTHESIS OF OXALIC ACID BY NITRIC ACID OXIDATION OF DATES FRUIT AND SYRUP

Journal of Engineering, 2003
An experimental investigation was conducted to study the various parameters affecting the production of oxalic acid by the action of concentrated nitric acid on carbohydrates. Two feedstocks were studied, viz., dates fruit and dates syrup.
Harith N. Al-Rawi, Adil Al-Hemiri, Murttha N. Aboud   +2 more
doaj   +1 more source

Evaluation of Acid Digestion Procedures to Estimate Mineral Contents in Materials from Animal Trials [PDF]

Asian-Australasian Journal of Animal Sciences, 2015
Rigorously standardized laboratory protocols are essential for meaningful comparison of data from multiple sites. Considering that interactions of minerals with organic matrices may vary depending on the material nature, there could be peculiar demands ...
M. N. N. Palma, G. C. Rocha, S. C. Valadares Filho, E. Detmann   +3 more
doaj   +1 more source

Fat transforms ascorbic acid from inhibiting to promoting acid-catalysed N-nitrosation [PDF]

, 2007
<b>Background</b>: The major potential site of acid nitrosation is the proximal stomach, an anatomical site prone to a rising incidence of metaplasia and adenocarcinoma.
Combet, E., Crozier, A., Iijima, K., McColl, K.E.L., Mullen, W., Paterson, S., Preston, T., Winter, J.   +7 more
core   +2 more sources

ANALYSIS OF NITRIC ACID [PDF]

School Science and Mathematics, 1905
n ...
openaire   +2 more sources

Sample Treatment Methods for Determination of Rare Earth Elements in Manganese Ore by High-pressure Closed Digestion-Inductively Coupled Plasma-Mass Spectrometry

Yankuang ceshi, 2018
BACKGROUND With advantages of small sample quantity, less acid, and low blank, high-pressure closed digestion-Inductively Coupled Plasma-Mass Spectrometry became the main method in the determination of rare earth elements.
WU Lei, LIU Yi-bo, WANG Jia-song, WU Liang-ying, ZHANG Nan, WANG Na   +5 more
doaj   +1 more source

Electrochemical oxidation of oxalic acid and hydrazinium nitrate on platinum in nitric acid media [PDF]

, 2012
Several studies in the literature have investigated the electrochemical effects of oxalic acid and hydrazine on various materials in neutral (pH buffered to 7), basic or weakly acidic media (pH 6).
Féraud, Jean-Pierre, Ode, Denis, Queffelec, Benoit, Rockombeny, L.C., Tzedakis, Théodore   +4 more
core   +2 more sources

THE ACTION OF NITRIC ACID ON IODOANIL. [PDF]

Journal of the American Chemical Society, 1914
n ...
Clarke, Latham, Bolton, E. K.
openaire   +3 more sources

Effect of Nitric Acid Concentrations on Synthesis and Stability of Maghemite Nanoparticles Suspension

The Scientific World Journal, 2014
Maghemite (γ-Fe2O3) nanoparticles have been synthesized using a chemical coprecipitation method at different nitric acid concentrations as an oxidizing agent.
Irwan Nurdin, Mohd Rafie Johan, Iskandar Idris Yaacob, Bee Chin Ang   +3 more
doaj   +1 more source