The effect of phosphoric acid etching duration on the bond strength of universal adhesive on enamel with or without erosion [PDF]
Frontiers in Dental MedicineThis study evaluated the effect of phosphoric acid etching duration on the bond strength of a universal adhesive (UA) on enamel, both with and without erosion (0.3% citric acid with a pH of 2.6 for 5 min four times a day for five consecutive days). Flat,
Shasha Huang +5 more
doaj +2 more sources
Effects of phosphoric acid concentration on properties of activated carbon from Strychnos spinose fruit shells [PDF]
Scientific ReportsThe accumulation of agricultural wastes in the environment is an emerging challenge. Their thermochemical conversion to activated carbon represents an efficient form of utilization that minimizes the secondary pollution caused by conventional treatment ...
John Chagu, Alinanuswe Joel Mwakalesi
doaj +2 more sources
Chiral phosphoric acid and its applications of asymmetric catalytic hydrogenation [PDF]
E3S Web of Conferences, 2021 As an excellent representative of organic small molecular catalysts, chiral phosphoric acid played an important role in asymmetric catalytic hydrogenation.
Zhuoxin Sun
doaj +1 more source
Extraction of cadmium from phosphoric acid by a synthesized extracting agent [PDF]
E3S Web of Conferences, 2020 The Purification of phosphoric acid used several extractants from the family of oxygenates, sulfurous or amino compounds. In this work, we were interested in the synthesis, physico-chemical and spectroscopic characterization, and use of the product ...
Berkalou Kaoutar +4 more
doaj +1 more source
Corrosion behavior and passive film properties of nickel-based alloy in phosphoric acid
Corrosion Communications, 2023 Corrosion behavior and passive film properties of nickel-based alloy (Inconel 625) in phosphoric acid were investigated, by means of a variety of electrochemical methods combined with surface analysis techniques. Results showed that Inconel 625 exhibited
Yuan Zhang +6 more
doaj +1 more source
Study on Electrochemical Performance of Dimensionally Stable Anodes during Zinc Electrowinning [PDF]
Archives of Metallurgy and Materials, 2023 In zinc electrowinning, small amounts of manganese ions additives are needed in the electrolyte to reduce the corrosion of anodes and minimize the contamination of cathodic zinc by dissolved lead.
Wei Zhang +3 more
doaj +1 more source
Magnesium removal from phosphoric acid by precipitation: Optimization by experimental design [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2021 High content of magnesium in phosphate and phosphoric acid affects negatively the performance and operating conditions in phosphate industry. A content of more than 0.3% in phosphate increases the P2O5 losses during phosphate digestion and filtration ...
Mahrou Ahmed +4 more
doaj +1 more source
Frontiers in Chemistry, 2023 The recalcitrant structure of raw poplar limited the production of fermentable sugars when applied as the material in the pretreatment of biochemical conversions.
Deming Chen +7 more
doaj +1 more source
Evaluation of Etching Time and Concentration on Shear Bond Strength of Metallic Brackets Using a 10-MDP Containing Adhesive [PDF]
Iranian Journal of Orthodontics, 2017 Background: Bonding is the most commonly used technique to attach brackets to tooth surfaces. Objectives: The aim of this study was to determine the effects of time and concentration of etching with phosphoric acid on shear bond strength (SBS) of ...
Esfandiar Akhavan Niaki +2 more
doaj +1 more source
LIQUID-LIQUID EQUILIBRIA OF THE PHOSPHORIC ACID, ESTER AND WATER TERNARY SYSTEM
Rudarsko-geološko-naftni Zbornik, 2020 This paper presents an experimental methodology used for the determination of liquid-liquid equilibrium (LLE) data of the ternary system (phosphoric acid, ester and water).
Vinod Jena +5 more
doaj +1 more source