Treatment of Semiconductor Wastewater Containing Tetramethylammonium Hydroxide (TMAH) Using Nanofiltration, Reverse Osmosis, and Membrane Capacitive Deionization [PDF]
Membranes, 2023 As the semiconductor industry has grown tremendously over the last decades, its environmental impact has become a growing concern, including the withdrawal of fresh water and the generation of harmful wastewater. Tetramethylammonium hydroxide (TMAH), one
Sangho Lee, Yongjun Choi, Juyoung Lee
exaly +6 more sources
Methyl Ether-Derivatized Sterols and Coprostanol Produced via Thermochemolysis Using Tetramethylammonium Hydroxide (TMAH) [PDF]
Molecules, 2019 Sterols are widely distributed in nature from lipids in organisms to sediments. As a conventional method, extraction and derivatization with TMS have been applied for sterol analysis, requiring a long preparation time for gas chromatography−mass ...
Masatoshi Nakakuni, Shuichi Yamamoto
exaly +7 more sources
A Study on Oxidation of Tetramethylammonium Hydroxide (TMAH) using UV/Persulfate [PDF]
대한환경공학회지, 2020 Objective:In order to efficiently remove TMAH from the wastewater generated by the TFT-LCD manufacturing process, the oxidation of TMAH was tested by applying an UV/persulfate.
Hyo-yeon Choi, Daewon Pak
doaj +2 more sources
Wet etching of (−102) β-Ga2O3 with tetramethylammonium hydroxide (TMAH) [PDF]
Science and Technology of Advanced MaterialsWe investigated wet etching of (−102) β-Ga2O3 substrates using heated 25 wt% tetramethylammonium hydroxide (TMAH). The (−102) plane exhibited an etching rate that was one order of magnitude higher than those of the widely used (100), (010), (001), and ...
Takayoshi Oshima
doaj +2 more sources
Thermo-acoustic investigation on mixtures of Tetramethyl ammonium hydroxide and caffeine in aqueous medium with the goal to understand their mutual interactions [PDF]
BMC ChemistryThe present study explores, for the first time, the physicochemical and molecular interaction behaviour of tetramethylammonium hydroxide (TMAH)–caffeine (CAF) mixtures in aqueous medium.
Amiya Kumar Baral +2 more
doaj +2 more sources
Efficient and selective microwave-assisted O-methylation of phenolic compounds using tetramethylammonium hydroxide (TMAH) [PDF]
Green Processing and Synthesis, 2019 In this study, an efficient method for O-methylation of phenolic compound using tetramethylammonium hydroxide (TMAOH) as a new alkylating agent under microwave irradiation was developed.
Gholipour Fatemeh +2 more
doaj +2 more sources
Effect of Oxidizing Agent on the Synthesis of ZnO Nanoparticles for Inverted Phosphorescent Organic Light-Emitting Devices without Multiple Interlayers [PDF]
NanomaterialsInverted organic light-emitting devices (OLEDs) have been aggressively developed because of their superiorities such as their high stability, low driving voltage, and low drop of brightness in display applications.
Se-Jin Lim +4 more
doaj +2 more sources
Highly Sensitive Dissolved Oxygen Sensor with High Stability in Seawater Based on Silica-Encapsulated Platinum(II) Porphyrin [PDF]
SensorsThis study utilized tetramethylammonium hydroxide (TMAH) as a substitute for traditional catalysts and successfully incorporated platinum octaethylporphyrin (PtOEP) into SiO2 nanoparticles (PtOEP@SiO2) via the Stöber method.
Hang Lv +3 more
doaj +2 more sources
Tetramethylammonium hydroxide (TMAH) treatment of dry-etched trenches on (010) β-Ga2O3 to enhance trench profiles [PDF]
AIP AdvancesWe demonstrated heated tetramethylammonium hydroxide (TMAH) etching (25 wt. % concentration, at 90 °C) as an effective post-dry-etch treatment for improving dry-etched trench profiles on (010) β-Ga2O3. This treatment successfully converted rough, tapered
Takayoshi Oshima
doaj +3 more sources
Comparison of external calibration and isotope dilution methods for iodine determination in foods by inductively coupled plasma mass spectrometry [PDF]
Food Chemistry: XThis study sought to validate the external calibration curve (CAL) method for iodine analysis in 26 selected foods and then to compare the test result with the isotope dilution mass spectrometry (IDMS).
Juntima Photi +4 more
doaj +2 more sources