Results 11 to 20 of about 301,552 (263)
Mechanical Properties of Reactive Powder Concrete (RPC) Exposed to Acidic Solutions
Tikrit Journal of Engineering Sciences, 2022 This research work includes an experimental investigation to study the mechanical properties of reactive powder concrete (RPC) exposed to acidic solutions.
Ali H. Ali, Ahmed K. Ibrahim
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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 +2 more
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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
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MethodsX, 2021 A suitable optimized digestion method for lipsticks and powders for the analysis of As, Hg, Cd, Cr, Ni and Pb by Hydride Generation Atomic Absorption Spectrophotometry (HG-AAS), Cold Vapor Atomic Absorption Spectrophotometry (CV-AAS) and Flame Atomic ...
Devika Maharaj +3 more
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Optimizing of Synthesis of High Purity HMX Using Polyphosphoric Acid by Response Surface Method [PDF]
Iranian Journal of Chemical Engineering, 2023 1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane (HMX) is one of the most powerful explosives of which the purity may have a significant effect on increasing the performance of rocket engines. In this research, the synthesis of high purity HMX is presented
M.A. Zarei +5 more
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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 +3 more
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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 +5 more
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Aquaculture Reports, 2021 Oysters are rich in nutrients and can be cultivated in oceans; therefore they have attracted considerable interest as a food source. In this study, we investigated the rapid analysis of multiple minerals in oysters using microwave decomposition combined ...
Tsuyoshi Yoda +2 more
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Siliao yanjiu, 2022 The objective of the study was to evaluate the effect of different nitric acid content on the process of calcium determination and result by potassium permanganate experimental method. 3 × 4 experimental design was used.
Qi-na CAO, gereli HASI, Hai-rong WANG
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