Sentences with phrase «hydrofluoric acid»

Wilmarth had been experimenting with glass since the late 1960s and discovered for himself the process of etching glass with hydrofluoric acid which allowed him a painterly control of the medium.

In February, the company announced its Vanadium - Titanium Speewah project also included a large, high - grade resource of fluorspar, which is used mainly in the manufacture of hydrofluoric acid and aluminium fluoride, a flux for aluminium smelting.

Ti (3) SiC (2) was the first MAX phase Drexel researchers tried to selectively etch in 2011, but synthesis failed using hydrofluoric acid alone because the silicon atoms are strongly bound to the adjacent transition metal atoms.

When a positive (anodic) voltage is applied to a silicon electrode in a solution containing aqueous hydrofluoric acid, the surface of the silicon is either electropolished or turned into a film of porous silicon.

You can dump all kinds of crazy chemicals on these pollen grains — really harsh like hydrofluoric acid, that will etch glass and dissolve sand, and the pollen grains are just fine.

Maybe hydrofluoric acid?

By using the most concentrated hydrofluoric acid available, the pores can be made as small as one to two nanometres wide, but many micrometres long.

In 1986 Eli Yablonovitch and his colleagues at Bellcore in the US had shown that immersing bulk silicon in hydrofluoric acid would produce an almost perfect silicon surface.

This isn't exactly the deadly hydrofluoric acid, but as far as I know it is entirely derived from it.

As we discussed earlier, 90 % of sodium fluoride added to drinking water is actually hydrofluoric acid.

Across industry hydrofluoric acid has many versatile uses; it is used to make fluorocarbons and chlorofluorocarbons for freezers and air conditioners, to refine high octane gasoline, and to manufacture fluorescent light bulbs, semiconductors, computer screens plastics, herbicides and pesticides.

Hydrofluoric acid causes acne.

Hydrofluoric acid also has the ability to destroy eyes, burn flesh to the bone, and sear lungs so that victims drown in their own body fluid.

Hazwoper training with the safety of the chemicals used in the process including Hydrofluoric Acids, Sulfur Acids SO3 and Full Acid Suits and PAPR»S

Obtaining the desired MXene usually involves a roundabout process: Layered carbides and nitrides, known as MAX phases, are selectively etched with hydrofluoric acid to remove the layers of the «A» element, which is a group 13 or 14 element such as aluminum, silicon, or germanium.

Using mixtures of hydrofluoric acid and an oxidizing agent like nitric acid, hydrogen peroxide, or potassium permanganate, the team produced titanium carbide MXene by selectively removing silicon out of Ti (3) SiC (2).

Executed cleaning process of ceramics using Hydrofluoric Acid (0 incidents due proper usage of PPE)

The team of leading nuclear industry experts will also broker the sale of the aqueous hydrofluoric acid (AqHF) product and provide surveillance and maintenance services for the DUF6 cylinder inventory.

The ill - protected workers are exposed to hazardous materials like hydrofluoric acid and radioactive particles.

The EPA rules require new and existing coal - and oil - fired plants to reduce air pollutants — including mercury, arsenic, chromium, nickel, hydrochloric acid and hydrofluoric acid, among others — by 2015.

Then they dissolved the silica spheres with hydrofluoric acid, leaving just the newly built phenol resin walls, which were transformed into a pure carbon structure by heating up to 1000oC.

For instance, sodium fluoride and hydrofluoric acid should not be disposed of in glass containers, they are highly corrosive to glass and will eat through it leaving you with quite a mess.

After repeating the process a number of times, the silicon dioxide was etched away with hydrofluoric acid, leaving a lattice of polysilicon bars that were 1.2 microns wide and 1.5 microns high, with a pitch of 4.8 microns — identical to a structure predicted by Ames Laboratory researchers necessary to make the photonic equivalent of a band gap for electrons.

Furthermore, the fallout from these eruptions — containing elevated levels of hydrofluoric acid and toxic heavy metals — extended at least 2,800 kilometers from Mt. Takahe and likely reached southern South America.

When the current density was high enough the surface of this anode was etched away by the electrolyte, hydrofluoric acid, leaving a smooth, reflective surface.

A coproduct of the conversion process is hydrofluoric acid (HF), which can be reused in industrial processes.

Then there's hydrofluoric acid.

Hydrofluoric acid is one of the main ingredients of rat poison and cockroach powder.

Hydrofluoric acid is commonly contaminated with heavy metals like arsenic, lead and aluminium.

Hydrofluoric acid is also added to 40 - 50 % of US drinking water and toothpaste.

This has included defending numerous cases filed against the contractors and / or in some cases their clients (pursuant to defense and indemnity agreements) against all types of personal injuries, including those asserting claims from toxic chemical exposures to asbestos, acrylonitrile, ammonia, benzene, ethylene dichloride, hydrofluoric acid, mustard agents, NORM, pthalic anhydride, and vinyl chloride.