3894 Results for: "Silicon+dioxide"

Supplier: MP Biomedicals

MP EcoChrom™ SILICA is used as a suspending and thickening agent in pharmaceutical.A silica-based aerogel was used in the Stardust spacecraft to collect extraterrestrial particles. Silica is also used in the extraction of DNA and RNA due to its ability to bind to the nucleic acids under the presence of chaotropes. As hydrophobic silica it is used as a defoamer component. In hydrated form, it is used in toothpaste as a hard abrasive to remove tooth plaque. SiO2 has a number of distinct crystalline forms (polymorphs) in addition to amorphous forms. In the majority of silicates, the Si atom shows tetrahedral coordination, with 4 oxygen atoms surrounding a central Si atom.

MP EcoChrom™ Silica, the chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula SiO2 with a mean pore size of 60Å and particles size of 200-500μm. MP silica are free of particles outside the standard range. The irregular shape of MP Silica permits the easy packing of column permeability and plate number. They allow easy switching from one sieve cut to another, offering an easy way to change the chromatographic methods. It has been known for its hardness since ancient times. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms.

Supplier: Thermo Fisher Scientific

Silicon dioxide ≥99.995% (metals basis), sputtering target, Ø 76.2 mm (3.0 in), Thickness: 6.35 mm (0.250 in)

Supplier: Thermo Fisher Scientific

Tellurium dioxide, tech.

Supplier: Thermo Fisher Scientific

Tellurium dioxide 99+%

Supplier: Honeywell Chemicals

Silicon dioxide, Purum p.a. 40-200 mesh, Fluka™

Supplier: Honeywell Chemicals

Silicon dioxide for cleaning of platinum crucibles, calcinated, crude, Fluka™

Supplier: Apollo Scientific

Rhenium dioxide 99,9%

Supplier: Apollo Scientific

Tellurium dioxide 99.99%

Supplier: MP Biomedicals

MP EcoChrom™ Silica is used in adsorption and partition chromatography. It is not only suitable for separation of non-polar substances but also for solvent purification and all other applications where it is necessary to remove small quantities of polar impurities from a non-polar matrix.
MP EcoChrom™ Silica is an oxide of silicon+CS75.

Supplier: Thermo Fisher Scientific

Hafnium dioxide, tech.

Supplier: Honeywell Chemicals

Synonyms: Sand; white quartz; quartz; silicon dioxide.

Supplier: MP Biomedicals

MP EcoChrom™ Silica is used in adsorption and partition chromatography. It is not only suitable for separation of non-polar substances but also for solvent purification and all other applications where it is necessary to remove small quantities of polar impurities from a non-polar matrix.

Supplier: Thermo Fisher Scientific

Silicon 99+%, powder -325 mesh

Supplier: Apollo Scientific

Selenium dioxide 99,9%

Supplier: MP Biomedicals

Silicon dioxide, Ecochrom™ 63-200 µm (Pore size 60 Å)

Supplier: Thermo Fisher Scientific

Silicon ≥99.99% (metals basis), crystalline powder -100+200 mesh

Supplier: Thermo Fisher Scientific

Silicon ≥99.999% (metals basis), lumps 15 cm (5.9 in) & down

Supplier: Thermo Fisher Scientific

Silicon ≥99.9% (metals basis), crystalline powder -100 mesh

Supplier: MP Biomedicals

Silicon dioxide, Ecochrom™ 63-200 µm (Pore size 60 Å)

Supplier: Thermo Fisher Scientific

Silicon ≥99.999% (metals basis), crystalline powder -100+325 mesh

Supplier: Thermo Fisher Scientific

Selenium dioxide ≥99.4% (metals basis)

Supplier: Thermo Fisher Scientific

Silicon ≥99.999% (metals basis), rods, Ø 5.08cm (2.0 in)

Supplier: Thermo Fisher Scientific

Silicon ≥99.999% (metals basis), rods, Ø 0.828cm (0.326 in)

Supplier: Apollo Scientific

Silicon 99,9%, powder –100 mesh

Supplier: Thermo Fisher Scientific

Silicon ≥99.9999% (metals basis), polycrystalline rods, unpolished, Ø 1.6cm (0.6 in)

Supplier: Thermo Fisher Scientific

Silicon ≥99.9% (metals basis), powder APS 1-5 µm

Supplier: Thermo Fisher Scientific

Silicon ≥99.999% (metals basis), powder -325 mesh

Supplier: Thermo Fisher Scientific

Molybdenum dioxide ≥99% (metals basis)

Supplier: Thermo Fisher Scientific

Tellurium dioxide ≥99.995% (metals basis)

Supplier: Merck

Silicon dioxide 30% in water, colloidal dispersion, LUDOX® SM, Sigma-Aldrich®