Articles with "nh4 2so4" as a keyword



Effect of soil additives on biogeochemistry of ultramafic soils—an experimental approach with Brassica napus L

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Published in 2024 at "Environmental Monitoring and Assessment"

DOI: 10.1007/s10661-024-12897-4

Abstract: Ultramafic soils are characterized by low productivity due to the deficiency of macroelements and high content of Ni, Cr, and Co. Incorporation of ultramafic soils for agricultural and food production involves the use of fertilizers.… read more here.

Keywords: effect; ultramafic soils; brassica napus; biogeochemistry ... See more keywords

Measurements of HO2 uptake coefficient on aqueous (NH4)2SO4 aerosol using aerosol flow tube with LIF system

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Published in 2019 at "Chinese Chemical Letters"

DOI: 10.1016/j.cclet.2019.07.041

Abstract: Abstract Laboratory studies of HO2 uptake coefficients, γ(HO2), were conducted at room temperature using an aerosol flow tube coupled with a laser induced fluorescence (LIF) system. The measurement was conducted with atmospherically relevant HO2 concentrations… read more here.

Keywords: nh4 2so4; 2so4 aerosol; using aerosol; aerosol flow ... See more keywords

Subsecond measurement on deliquescence kinetics of aerosol particles: Observation of partial dissolution and calculation of dissolution rates.

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Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.128507

Abstract: The deliquescence behavior of atmospheric aerosols has significant effects on global climate and atmospheric heterogeneous chemistry but remains largely unclear. The deliquescence kinetics data of micron-sized particles are scarce owing to the difficulty on performing… read more here.

Keywords: nh4 2so4; dissolution rates; deliquescence kinetics; partial dissolution ... See more keywords
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Direct and indirect studies of the electrocaloric effect in single crystalline ferrielectric (NH4)2SO4

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Published in 2022 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.162130

Abstract: Abstract The influence of an electric field on the phase transition parameters and the electrocaloric response in ferrielectric (NH4)2SO4 was studied using a universal multifunctional adiabatic calorimeter. The very low sensitivity of the phase transition… read more here.

Keywords: electrocaloric effect; nh4 2so4; ferrielectric nh4; direct indirect ... See more keywords

Efficient extraction and separation of vanadium and chromium in high chromium vanadium slag by sodium salt roasting-(NH4)2SO4 leaching

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Published in 2019 at "Journal of Industrial and Engineering Chemistry"

DOI: 10.1016/j.jiec.2018.11.043

Abstract: Abstract A novelty process based on sodium salt roasting-(NH4)2SO4 leaching was proposed to extract vanadium and chromium in high chromium vanadium slag (HCVS). V2O5 and Cr2O3 was then prepared. The effects of roasting and leaching… read more here.

Keywords: nh4 2so4; chromium; vanadium chromium; vanadium ... See more keywords

The effects of ammonium sulfate and sulfamic acid on the surface acidity of sulfated zirconia

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Published in 2019 at "Journal of Saudi Chemical Society"

DOI: 10.1016/j.jscs.2018.06.006

Abstract: Abstract In this work, sulfated zirconia (SZ) was prepared by a solvent-free method, ammonium sulfate ((NH4)2SO4) and sulfamic acid (NH2SO3H) were as sulfur sources, respectively. The resulting catalysts were characterized by powder X-ray diffraction (XRD),… read more here.

Keywords: nh4 2so4; ammonium sulfate; sulfamic acid; effects ammonium ... See more keywords
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Hofmeister effect-assisted one step fabrication of fish gelatin hydrogels

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Published in 2020 at "Lwt - Food Science and Technology"

DOI: 10.1016/j.lwt.2019.108973

Abstract: Abstract Natural gelatin-based hydrogels are usually soft and fragile, and the preparation of hydrogels with elastic structures normally requires modification of gelatin chains or addition of chemical crosslinking agents. In this study, fish gelatin hydrogels… read more here.

Keywords: nh4 2so4; effect assisted; fish gelatin; hofmeister effect ... See more keywords

Comparative analysis of elastocaloric and barocaloric effects in single-crystal and ceramic ferroelectric (NH4)2SO4

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Published in 2021 at "Scripta Materialia"

DOI: 10.1016/j.scriptamat.2020.09.030

Abstract: Abstract We report the influence of anisotropy and texture on elasto(ElCE)- and baro(BCE)-caloric effects in single-crystal and ceramic (NH4)2SO4. Inverse extensive and intensive ElCE in ceramics, (ΔSElCE)cer = 87 J/kg·K; ΔTAD = - 11.6 K), as well as in a single… read more here.

Keywords: comparative analysis; single crystal; crystal ceramic; nh4 2so4 ... See more keywords

Effects of Nitrogen Fertilizer Types on the Uptake and Translocation of PFAS and Metabolomic Activities of Hydroponically Cultivated Lettuce (Lactuca sativa)

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Published in 2025 at "Journal of Agricultural and Food Chemistry"

DOI: 10.1021/acs.jafc.5c02015

Abstract: Increasing evidence is showing that per- and polyfluoroalkyl substance (PFAS) replacing compounds are not as safe as they were assumed. This study investigated the plant uptake of two most prevalent PFAS, perfluorooctanoic acid (PFOA) and… read more here.

Keywords: plant uptake; effects nitrogen; impact; fertilizer ... See more keywords

The employing of pure calcium sulfate extracted from phosphogypsum for composing highly pure ammonium sulfate and calcium carbonate

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Published in 2024 at "Canadian Metallurgical Quarterly"

DOI: 10.1080/00084433.2024.2305998

Abstract: ABSTRACT The phosphoric acid wet process waste stream provided the phosphogypsum (PG). Phosphogypsum waste is environmentally harmful and economically valuable. However, processing phosphogypsum to produce (NH4)2SO4 and CaCO3 can solve these environmental and economic issues.… read more here.

Keywords: caso4; calcium; 2so4 caco3; sulfate ... See more keywords

Migration and Transformation of Arsenic in Rice and Soil under Different Nitrogen Sources in Polymetallic Sulfide Mining Areas

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Published in 2022 at "Life"

DOI: 10.3390/life12101541

Abstract: Nitrogen (N) fertilizer affects the migration and transformation of arsenic (As) in soil and rice. We conducted pot experiments and studied the effects of 0.1, 0.2, and 0.4 g∙kg−1 N levels of NH4Cl, (NH4)2SO4, and… read more here.

Keywords: nh4 2so4; transformation arsenic; rice; migration transformation ... See more keywords