This paper reports on solvent-extraction studies of Ni(II) from sulfate solutions with LIX 84I (2-hydroxy-5-nonylacetophenoneoxime) as the extractant. The extraction of metal depends on the equilibrium pH of the aqueous phase and the extractant concentration. The transfer of metal follows a cation exchange-type mechanism: Ni2+ + 2HA --> NiA2 + 2H+. Extraction varies with the nature of the dilue...

AIM The aim of this study was to evaluate the effect of different antioxidant additives in standard tris-fructose-egg yolk-glycerol (TFYG) extender on the cryopreservability of buffalo semen. MATERIALS AND METHODS Semen collection using artificial vagina, twice weekly for 5 weeks from three pedigreed health breeding bulls of Mehsani breed, aged between 6 and 8 years. Immediately after initial...

the extraction of gadolinium (gd) from perchlorate and nitrate media in 1,2-dichloroethane(c2h4cl2), carbon tetrachloride (ccl4) and chloroform (chcl3) by mixtures of 2-thenoyltrifluoroacetone (htta) and a crown ether benzo-15-crown-5 (b15c5) is investigated.the composition of the extracted species is determined as gd(tta)3.nb15c5 (n=1 in nitratemedium and n=2 in perchlorate medium). the values...

The extraction of lanthanides(III) from aqueous nitric acid solutions with tetra(n-octyl)diglycolamide into methyltrioctylammonium bis(trifluoromethanesulfonul)imide ([N1888][Tf2N]) ionic liquid and its mixtures molecular organic diluents is investigated in this study. This study also investigates the effect HNO3 concentration phase on Ln(III) ions. Subsequently, stoichiometry extracted complex...

Dilution and extension of semen longevity has been widely used in the swine industry to improve reproductive efficiency and genetic progress through artificial insemination. Through the dilution and extension of the life of the sperm cell, other organisms such as bacteria are also maintained and can produce a negative impact on sperm cell motility and potential reproductive capacity. Bacterial ...

The present study was conducted to observe the effect of increased osmolality of basic tris extender supplemented with trehalose and sucrose on post-thawing quality (motility, progressive motility, viability, the rate of acrosome abnormality, total abnormality and membrane integrity) of Markhoz goat spermatozoa. Fresh semen samples were evaluated for motility and sperm concentration. Only semen...

A simple, sensitive, rapid and accurate spectrophotometric method was developed in ultraviolet region for the estimation of Fluconazole in pure drug and pharmaceutical formulation. The drug has an absorption maximum at 260 nm and obeys Beer’s Lambert law in the concentration range of 210 μg/ml with correlation coefficient of 0.9999 in solvent. Excellent recovery proved that the method was suffi...