Results 11 to 20 of about 693,650 (251)

Sílica gel obtida de escória de alto forno: Marabá, Pará [PDF]

Cerâmica, 2015
ResumoSílica gel com propriedades similares à sílica comercial foi obtida a partir de escória de alto forno (EAF), utilizando digestão com ácido clorídrico. A EAF-sílica obtida foi caracterizada por diferentes técnicas, mostrando-se amorfa, com pureza 99,
M. M. Rebelo, L. D. Nascimento, J. A. M. Corrêa   +2 more
doaj   +2 more sources

Impregnação de filmes do compósito de policarbonato (PC) e sílica-gel (Si) com corante fotocrômico em fluido supercrítico - DOI: 10.4025/actascitechnol.v32i1.1999

Acta Scientiarum: Technology, 2009
O objetivo deste trabalho foi estudar a impregnação do corante fotocromático Reversacol Graphit® em filmes do compósito de policarbonato (PC) e sílica-gel (Si), com a finalidade de obter aplicações em lentes fotocrômicas.
Fernanda de Almeida Fin de Lima, Onélia Aparecida Andreo Santos, Nanci Pinheiro   +2 more
doaj   +2 more sources

FTIR thermal analysis on organofunctionalized silica gel [PDF]

Journal of the Brazilian Chemical Society, 2001
Silica gel modified with organic groups is widely used as a stationary phase for liquid chromatography. Grafting synthesis can be used to obtain stable modified silica gel surfaces. In this work, silica gel (10 nm of pore diameter and surface area of 320
Foschiera José L., Pizzolato Tania M., Benvenutti Edilson V.   +2 more
doaj   +1 more source

Síntese e caracterização de sílica gel utilizando resíduo de vidro [PDF]

, 2022
A sílica gel (SG) é um polímero inorgânico que possui inúmeras aplicações na área da ciência e tecnologia devido as suas distintas propriedades. Apesar de grande aplicabilidade, o processo de produção envolve custos elevados de energia e matériaprima ...
Dias, Luiza Schwartz
core   +1 more source

Our Experience of Using Thermally Recycled Silica Gel in a Teaching and Small Research Laboratory Setting

Proceedings, 2019
Organic synthetic research laboratories generate a large amount of waste. Some of the waste is the silica gel used as the stationary phase in column chromatographic separations.
Fatima Sbait Wahshi, Maitha Dhaiman Alqahtani, Manhal Abdulla, Abdullah Al-Hemyari, Muna Bufaroosha, Tholkappiyan Ramachandran, Fathalla Hamed, Thies Thiemann   +7 more
doaj   +1 more source

An Overview of Current and Prognostic Trends on Synthesis, Characterization, and Applications of Biobased Silica

Advances in Materials Science and Engineering, 2023
Silica has shown numerous applications in different fields such as environmental, biomedical, agriculture, and even in chemical processing. However, due to high energy-intensive and cost-effective issues, researchers show interest to replace the ...
Belete Tessema, Girma Gonfa, Sintayehu Mekuria Hailegiorgis, S. Venkatesa Prabhu   +3 more
doaj   +1 more source

Adsorption removing various basic nitrogen compounds from model diesel over allochroic silica gel

Adsorption Science & Technology, 2018
The adsorption removal of quinoline from model diesel by using alumina, diatomite, silica gel, and allochroic silica gel as adsorbents was investigated. The experiment results indicated that the adsorption denitrogenation performance of allochroic silica
Xin Hong, Yunhe Li, Chang Gao, Yonghua Zhao, Ke Tang   +4 more
doaj   +1 more source

Evaluation of ornamental sunflower for value addition

Journal of Horticultural Sciences, 2018
An experiment was conducted at College of Horticulture, GKVK, campus, Bengaluru, UHS, Bagalkot during 2012-13 to study the suitability of ornamental sunflower for dry flower production. Highest flower weight loss was with corn meal and silica gel (90.75
Kirtimala B Naik, S K Nataraj, D P Kumar, Y G Shadakshari, G K Seetharamu, R Veugopalan, K V Jayaprasad   +6 more
doaj   +1 more source

The effect of silica desiccation under different storage conditions on filter-immobilized environmental DNA

BMC Research Notes, 2021
Objective Silica gel beads have promise as a non-toxic, cost-effective, portable method for storing environmental DNA (eDNA) immobilized on filter membranes.
Michael J. Allison, Jessica M. Round, Lauren C. Bergman, Ali Mirabzadeh, Heather Allen, Aron Weir, Caren C. Helbing   +6 more
doaj   +1 more source

The application of silica gel synthesized from chemical bottle waste for zinc (II) adsorption using Response Surface Methodology (RSM)

Heliyon, 2022
The application of silica gel adsorbent synthesized from chemical bottle waste to remove zinc ions in the solution has been carried out. The synthesis of silica gel was carried out using alkaline fusion followed by sol-gel reactions.
Yatim Lailun Ni'mah, Ayu Perdana K. Subandi, Suprapto Suprapto   +2 more
doaj   +1 more source