Results 61 to 70 of about 7,092 (134)

Obtention of highly purified fractions of eicosapentaenoic acid and docosahexaenoic acid from sardine oil by silver-resin chromatography. A semipreparative procedure.

Grasas y Aceites, 1997
Pure fractions of eicosapentaenoic acid (ERA) and docosahexaenoic acid (DHA) were obtained from silver-resin column chromatography of ERA+DHA concentrates obtained from sardine oil.
S. Nieto, Ana M. Córdoba, J. Sanhueza, A. Valenzuela   +3 more
doaj   +1 more source

A Comparative Study of the Removal of Heavy Metal Ions from Synthetic Wastewaters Using Different Adsorbents

Adsorption Science & Technology, 2009
A comparison has been made of the efficiency of heavy metal ion adsorption from synthetic wastewaters by charcoal prepared locally from the burnt remnants of plantain peel with more conventional adsorbents such as industrial activated wood charcoal ...
Emmanuel A. Oluyemi, John A.O. Oyekunle, Samuel O. Olasoji   +2 more
doaj   +1 more source

SEPARATION AND PRECONCENTRATION OF COPPER (II) ION BY FATTY HYDROXAMIC ACIDS IMMOBILIZED ONTO AMBERLITE XAD – 4 RESIN

Indonesian Journal of Chemistry, 2010
A method of copper (II) ion preconcentration and separation from other ions by using a column containing fatty hydroxamic acids - loaded Amberlite XAD 4 resin (FHA-Amb) is described.
Dedy Suhendra, W. M. Z. Wan Yunus, Md. Jelas Haron, Mahiran Basri, Sidik Silong   +4 more
doaj   +1 more source

Comparative Adsorption of Nitrophenols on Macroporous Resin and Newly-Synthesized Hypercrosslinked Resin

Adsorption Science & Technology, 2003
The comparative adsorption of o -nitrophenol, m -nitrophenol and p- nitrophenol onto a macroporous polymeric adsorbent (Amberlite XAD-4) and a hypercrosslinked polymeric adsorbent (NJ-8) was investigated. Adsorption equilibrium isotherms were measured by
Yuping Qiu, Jinlong Chen, Aimin Li, Quanxing Zhang, Zhenghao Fei, Zhicai Zhai, Fuqiang Liu   +6 more
doaj   +1 more source

MODIFICATION OF AMBERLITE IRA 400 (CL-) BY INCORPORATING ALIZARIN S AND SODIUM MORPHOLYLDITHIOCARBAMATE (MORDTC) RESPECTIVELY

Tecnociencia, 2003
A chelating sorbent was obtained by incorporating Alizarin S and Sodium Morpholyldithiocarbamate (MorDTC) respectively in Amberlite IRA 400 (Cl-).
M. Guerra, C. Díaz, N. Martínez, M. Autié, R. Pomes, E. Bello, E. Niubó, J. Rodríguez, R. Cao, K. Melchor   +9 more
doaj  

Purification of lactic acid obtained from a fermentative process of cassava syrup using ion exchange resins

Revista Facultad de Ingeniería Universidad de Antioquia, 2012
En el presente trabajo se evalúo la producción de ácido láctico (AL) vía fermentativa, y su posterior separación mediante un sistema de resinas de intercambio iónico.
Joan Quintero, Alejandro Acosta, Carlos Mejía, Rigoberto Ríos, Ana María Torres   +4 more
doaj  

Phenolics enrichment enhances in vitro antihyperglycaemic activity of sugar-removed water-soluble palm fruit extract

Chemical and Biological Technologies in Agriculture
Background Water-Soluble Palm Fruit Extract (WSPFE) is recovered from oil palm vegetation liquor. WSPFE consists of water-soluble phenolic acids, including protocatechuic acid (PCA), p-hydroxybenzoic acid (p-HBA) and three isomers of caffeoylshikimic ...
Mohamad Dayoob, Kah-Hay Yuen, Soon-Sen Leow, Nurzalina Abdul Karim Khan   +3 more
doaj   +1 more source

Carbon footprint of biodiesel production using waste cooking oil: Performance and analysis through amberlite HPR 9000 SO4 as catalyst

Results in Engineering
This study presents Amberlite HPR 9000 SO4, a strong base anion exchange resin uniquely engineered with a uniform particle size and macro porous structure, delivering exceptional resistance to surface fouling and operational stresses. Unlike conventional
Anggara Dwita Burmana, Renita Manurung, Affila, Aga Nugraha, Asri Munawar, Rondang Tambun   +5 more
doaj   +1 more source

Biological production and downstream separation of xylitol using <i>Candida tropicalis</i>. [PDF]

RSC Adv
Chipkar S, Richter CE, Tonelli CA, Baxter LW, Cotta MH, Doyle IC, Rice WP, Mohr GI, Suza AW, Brace EC.   +9 more
europepmc   +1 more source

Metal-free access to 4-indolyl coumarin from coumarin 3-carboxylic acid and indole <i>via</i> a Michael addition-decarboxylation and dehydrogenation protocol: a photo-physical study and utility as an invisible ink. [PDF]

RSC Adv
Chakraborty S, Bhattachrjyya A, Paul B, Das B, Natarajan R, Majumdar S.   +5 more
europepmc   +1 more source