Results 31 to 40 of about 2,589,923 (288)

THE DETERMINATION OF PHOSPHORIC ACID. [PDF]

open access: yesJournal of the American Chemical Society, 1894
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openaire   +1 more source

Some Aspects of Mechanism of Electropolishing of Copper in Phosphoric Acid

open access: yesInternational Journal of Electrochemical Science, 2019
In this study, electrochemical impedance spectroscopy (EIS) and electron spectroscopy for chemical analysis (ESCA) were used to investigate copper electropolishing in phosphoric acid. The experimental results indicate that a bright and smooth surface can
Yung-Fu Wu, Tzu-Hsuan Tsai, Jin-Yi Lin
doaj   +1 more source

Carbon Footprint Analysis on Phosphoric Acid Production Using Wet Process at PT Petrokimia Gresik [PDF]

open access: yesE3S Web of Conferences
Phosphoric acid is one of the main commodities in the fertilizer industry, which is very important in agricultural countries such as Indonesia. One of the biggest players in Indonesia’s fertilizer industry is PT Petrokimia Gresik, which owns a phosphoric
Nashira Alimatun   +3 more
doaj   +1 more source

Studies on adsorption of rare earth elements from nitric acid solution with macroporous silica-based bis(2-ethylhexyl)phosphoric acid impregnated polymeric adsorbent

open access: yesAdsorption Science & Technology, 2018
For the adsorption and recovery of rare earth elements from aqueous nitric acid, solid-phase extraction resins were prepared by impregnating and immobilizing of bis(2-ethylhexyl)phosphoric acid extractant into the macroporous silica-based polymeric (SiO ...
Qiding Shu   +3 more
doaj   +1 more source

Influence of concentration in phosphoric acid treatment of titanium oxide and their powder properties

open access: yesJournal of Asian Ceramic Societies, 2015
Titanium oxide that has the photocatalytic activity is used as a white pigment for cosmetics. A certain degree of sebum on the skin is decomposed by the ultraviolet radiation in sunlight.
Hiroaki Onoda, Aki Matsukura
doaj   +1 more source

QUALITY OF RICOTTA CHEESE AS AFFECTED WITH THE WAY ACIDIFICATION . [PDF]

open access: yesJournal of Food and Dairy Sciences, 2014
Ricotta cheese was made from skim  milk  by direct acidification with, lactic, phosphoric,GDL,ABT starter and yogurt starter(streptococcus thermophillus ,lactobacillus delbrukii subsp bulgaricus) at  pH 5.9- 5.8 at 87 -88˚c .
M. Refaey   +3 more
doaj   +1 more source

Comparison of the effects of pre-activators on morphology and corrosion resistance of phosphate conversion coating on magnesium alloy

open access: yesJournal of Magnesium and Alloys, 2022
In this study, Mg–6.0Zn–3.0Sn–0.5Mn (ZTM630) magnesium alloy was pre-activated by colloidal Ti, oxalic acid, and phosphoric acid, and a phosphate conversion coating (PCC) was prepared on the alloy surface.
Tao Li   +6 more
doaj   +1 more source

Solvent extraction of phosphoric acid [PDF]

open access: yes
This work investigated the purification of phosphoric acid using a suitable organic solvent, followed by re-extraction of the acid from the solvent using water.
Al-Ghabban, Mohammed R.
core   +8 more sources

Modification of Amberlite XAD-2 resin for U(VI) adsorption from Egyptian crude phosphoric acid

open access: yesEgyptian Journal of Petroleum, 2019
Adsorption of U(VI) from Egyptian crude phosphoric acid was studied using the modified Amberlite XAD-2 resin. Modification process was performed by soaking Amberlite XAD-2 resin in tri-butyl phosphate (TBP) and di-2-ethyl hexyl phosphoric acid (D2EHPA ...
A.M. El Didamony   +2 more
doaj   +1 more source

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