Visualizing the three-step freezing process and three-phase reaction not predicted by the (NH4) 2SO4/H2O phase diagram [PDF]
, 2021 According to the conventional phase diagrams, aqueous solutions freeze at the liquidus and are frozen/solid below the eutectic solidus. Herein, using differential scanning calorimetry (DSC) and optical cryo-microscopy (OC-M), we demonstrate that hy ...
Anatoli, Bogdan
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Potential-Controlled Ammonium-Assisted Reversible Electrodeposition of Polyoxometalates for Hybrid Redox Flow Batteries. [PDF]
Adv Sci (Weinh)Potential‐controlled NH4+‐assisted reversible electrodeposition of molecular metal oxide clusters enables dynamic solution‐to‐solid electron storage. Leveraging this deposition/dissolution reaction chemistry, polyoxometalate‐based hybrid flow batteries are demonstrated as a new platform for deposition‐based electrochemical energy storage.
Wang K, Arya N, Shahid S, Anjass M.
europepmc +2 more sources
Origin and trends in NH4+ observed in the coma of 67P [PDF]
, 2023 The European Space Agency/Rosetta mission escorted comet 67P/Churyumov–Gerasimenko and witnessed the evolution of its coma from low activity (∼2.5–3.8 au) to rich ion-neutral chemistry (∼1.2–2.0 au).
Z M Lewis +18 more
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Are the ‘cave’ minerals archerite (K,NH4)H2PO4 and biphosphammite (K,NH4)H2PO4 identical? A molecular structural study [PDF]
, 2011 The molecular structure of the mineral archerite ((K,NH4)H2PO4) has been determined and compared with that of biphosphammite ((NH4,K)H2PO4). Raman spectroscopy and infrared spectroscopy has been used to characterise these ‘cave’ minerals.
Xi, Yunfei +5 more
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Frontiers in Plant Science, 2020 The provision of ammonium (NH4+) and nitrate (NO3−) mixture increases the total nitrogen (N) than the supply of sole NH4+ or NO3– with the same concentration of total N; thus, the mixture contributes to better growth in Brassica campestris.
Yunna Zhu +8 more
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Frontiers in Plant Science, 2023 Inherently, ammonium (NH4+) is critical for plant growth; however, its toxicity suppresses potassium (K+) uptake and vice-versa. Hence, attaining a nutritional balance between these two ions (NH4+ and K+) becomes imperative for the growth of tobacco ...
Chuanzong Li +12 more
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Nitrogen isotope fractionations among gaseous and aqueous NH4+, NH3, N2, and metal-ammine complexes: Theoretical calculations and applications [PDF]
, 2021 Ammonium (NH4+), ammonia (NH3) and N2 are key nitrogen species in geological nitrogen recycling. NH3 has also been proposed to play an important role in mobilizing base metals in the form of metal-ammine complexes in hydrothermal fluids.
He, Yuyang +3 more
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Growth, ammonium metabolism, and photosynthetic properties of Ulva australis (Chlorophyta) under decreasing pH and ammonium enrichment. [PDF]
PLoS ONE, 2017 The responses of macroalgae to ocean acidification could be altered by availability of macronutrients, such as ammonium (NH4+). This study determined how the opportunistic macroalga, Ulva australis responded to simultaneous changes in decreasing pH and ...
Leah B Reidenbach +7 more
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A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles [PDF]
, 2003 Colberg CA, Luo BP, Wernli H, Koop T, Peter T. A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles. ATMOSPHERIC CHEMISTRY AND PHYSICS.
Wernli, H. +4 more
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Folia Horticulturae, 2011 ‘Melodion’ butter lettuce was grown on rockwool slabs in a film tunnel in the spring and summer-autumn seasons. The following experimental factors were investigated: foliar application with a solution of urea (1%), Mo (1 mg dm-3) and benzyladenine (5 mg ...
Wojciechowska Renata, Kowalska Iwona
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