Journal ArticleDOI
Aqueous Ammonia Equilibrium Calculations: Effect of pH and Temperature
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TLDR
A critical evaluation of the literature data on the ammonia–water equilibrium system has been carried out and results of calculations of values of pKa at different temperatures and of percent of NH3 in aqueous ammonia solutions of zero salinity as a function of pH and temperature are presented.Abstract:
The toxicity of ammonia to fishes has been attributed to the un-ionized ammonia chemical species present in aqueous solution Because the percent of total ammonia present as un-ionized ammonia (NH3) is so dependent upon pH and temperature, an exact understanding of the aqueous ammonia equilibrium is important for toxicity studies A critical evaluation of the literature data on the ammonia–water equilibrium system has been carried out Results of calculations of values of pKa at different temperatures and of percent of NH3 in aqueous ammonia solutions of zero salinity as a function of pH and temperature are presentedread more
Citations
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The utilization of sodium bicarbonate, calcium carbonate or hydroxide in biofloc system: water quality, growth performance and oxidative stress of Nile tilapia (Oreochromis niloticus)
Gabriel Bernardes Martins,Fabio de Melo Tarouco,Carlos Eduardo da Rosa,Ricardo Berteaux Robaldo,Ricardo Berteaux Robaldo +4 more
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Transport of jundiá Rhamdia quelen juveniles at different loading densities: water quality and blood parameters
Paulo César Falanghe Carneiro,Pedro Henriques da Silva Kaiseler,Elaine de Azambuja Correia Swarofsky,Bernardo Baldisserotto +3 more
TL;DR: O custo da criacao de peixes, da mesma forma que de outros animais, deve ser minimizado e os produtores dependem de tecnicas that permitam lucros maiores, sugere-se that a melhor densidade para o transporte do jundia em sacos plasticos seja de aproximadamente 350 g/L.
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Evaluation of 2- and 3-stage combinations of vertical and horizontal flow constructed wetlands for treating greenhouse wastewater
Dong-Cheol Seo,Seung Ha Hwang,Hyung Jun Kim,Ju Sik Cho,Hong Jae Lee,Ronald D. DeLaune,Aroon Jugsujinda,Seong Tae Lee,Jeoung Yoon Seo,Jong Soo Heo +9 more
TL;DR: In this paper, the adsorption characteristics of various filter media and treatment efficiency of small pilot-scale constructed wetlands (CWs) were investigated in order to design optimum CWs for treating greenhouse wastewater.
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Ammonia vapour sensing properties of in situ polymerized conducting PANI-nanofiber/WS2 nanosheet composites
TL;DR: In this paper, a template-free in situ polymerization of aniline on WS2 nanosheets was performed for gas sensing applications, and the optimal performance was shown by the PANI/WS2 (w/w 10%) sample.
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Inorganic nitrogen, sterols and bacterial source tracking as tools to characterize water quality and possible contamination sources in surface water
Vesna Furtula,Heather L. Osachoff,George Derksen,Hafizan Juahir,Al Colodey,Patricia A. Chambers +5 more
TL;DR: Together, these results confirmed the impact of agricultural activities on the Nathan Creek watershed and support a need for better land management practices to protect water quality and aquatic life.
References
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Journal ArticleDOI
Acidic dissociation constant of ammonium ion at 0 to 50 C, and the base strength of ammonia
Journal ArticleDOI
The Percent Un-Ionized Ammonia in Aqueous Ammonia Solutions at Different pH Levels and Temperatures
TL;DR: In this article, it was shown that the un-ionized ammonia molecule and not the ammonium ion is the form of the toxicant harmful to fish, and the amount of unionised ammonia in the water was quantified.