Results 71 to 80 of about 15,173 (194)

Recent trends in metals extraction [PDF]

open access: yes, 2015
After near 70 years of practical usage, solvent extraction is a perfectly mastered technique of separation, widely used on an industrial scale for the separation of metals mainly from raw materials.
Alguacil, Francisco José   +1 more
core   +2 more sources

Suprarenal Extract [PDF]

open access: yesThe American Journal of the Medical Sciences, 1900
n ...
openaire   +1 more source

Comparing the effects of soil test interpretations for P and K on a creeping bentgrass putting green

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 1, June 2026.
Abstract Soil testing provides golf course superintendents with the information needed to apply fertilizers at optimal rates, thereby avoiding nutrient deficiencies and unnecessary applications. However, nutrient rate recommendations vary depending on how soil test results are interpreted.
Jackie Lyn A. Guevara   +2 more
wiley   +1 more source

Development status and research progress of wet phosphoric acid extraction technology

open access: yes工程科学学报
Phosphoric acid, as a vital chemical raw material, holds an important position in the chemical industry. Its applications span across various sectors, determined largely by its purity. Low-purity phosphoric acid can be used in industrial and agricultural
Xinyu HUANG   +5 more
doaj   +1 more source

Availability of heavy metals in contaminated soil evidenced by chemical extractants

open access: yesRevista Ceres, 2012
Heavy metals have been accumulating in Brazilian soils, due to natural processes, such as atmospheric deposition, or human industrial activities. For certain heavy metals, when in high concentrations in the soil, there is no specific extractant to ...
Maria Ligia de Souza Silva   +2 more
doaj   +1 more source

Comparative Study on Pantothenic Acid Separation by Reactive Extraction with Tri-n-octylamine and Di-(2-ethylhexyl) Phosphoric Acid [PDF]

open access: yes, 2016
The mechanism of reactive extraction of pantothenic acid with tri-n-octylamine and di-(2-ethylhexyl) phosphoric acid was analysed for three solvents in the presence or absence of 1-octanol.
A. C. Blaga   +4 more
core   +2 more sources

Application of routine Mehlich‐3 and EC ratio tests for salinity and sodicity management in Delmarva coastal croplands

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 1, June 2026.
Abstract The Delmarva Peninsula in the Eastern United States faces growing threats from saltwater intrusion, necessitating accurate and timely salinity diagnostics to reduce crop productivity losses. The globally recognized saturated paste (SP) extraction method, which yields critical measures, including electrical conductivity (ECe), is labor ...
Sapana Pokhrel   +3 more
wiley   +1 more source

Extraction of Palladium from Spent Nuclear Fuel Reprocessing Solutions

open access: yesMetals
New solvent systems for selective separation of palladium from nuclear wastes represent a prospective way to reduce the total waste volume and induce this metal’s extraction.
Alfiya M. Safiulina   +4 more
doaj   +1 more source

Molecular toxicity of potential liquid membranes for lactic acid removal from fermentation broths using Lactobacillus casei ATCC 393

open access: yesDyna, 2018
Toxic effects of extractants and carriers of specific microorganisms must be taken into account before using them with hybrid fermentation processes that are combined with liquid membranes or liquid-liquid extraction.
Alan D. Pérez Ávila   +2 more
doaj   +1 more source

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