How oxygen concentrators work

Let’s Learn About SILVER!

Silver is a chemical element with the symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal.

Silver was one of the first five elements discovered, along with gold, copper, lead and iron and has been mined for over 6000 years. Silver objects have been found dating as far back as 4000 BC.

Let's Learn About SILVER!

Silver is the most reflective element, reflecting 95% of the visible light spectrum. Unless you use it in ultraviolet light, which makes it about as reflective as a stone. It is most effective immediately after placement.  Silver is stable in oxygen and water, but tarnishes when exposed to ozone, hydrogen sulfide or air containing sulfur due to a reaction with sulfur compounds which cause a black sulfide layer. The crystal structure of silver is cubic.

Silver forms in star explosions called supernovae, as does gold. A study published in September 2012 in the journal Astronomy and Astrophysics found that smaller stars that explode produce silver, while larger stars produce gold.

Silver is rare element relative to other elements. This rarity also makes it the precious metal. It is not a very reactive element, so it found in its pure form and also in some minerals, e.g. argentite. The major silver producing countries are China, Peru, and Mexico.

Silver iodide has been used to make clouds produce rain in an attempt to control hurricanes.

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How oxygen concentrators work

Let’s Learn About GOLD!

Gold is a chemical element with the symbol Au and atomic number 79, making it one of the higher atomic number elements that occur naturally. In a pure form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal and a group 11 element.

It is a precious metal. It has emotional, cultural and financial value and different people across the globe buy gold for different reasons, often influenced by a range of national socio-cultural factors, local market conditions and wider macro-economic drivers.

Let's Learn About GOLD!

Gold mining describes the process of extracting ore from the earth’s crust. Modern gold mining predominantly takes place in areas where there is a significant concentration of gold-bearing ore. Today, about 70% of the world’s gold production comes from surface mines, while the rest is from underground gold mines.

Let's Learn About GOLD!

Gold has several qualities that make it exceptionally valuabl. It is attractive in colour and brightness, durable to the point of virtual indestructibility, highly malleable, and usually found in nature in a comparatively pure form. The history of gold is unequaled by that of any other metal because of its perceived value from earliest times.

Gold is one of the densest of all metals. It is a good conductor of heat and electricity. It is also soft and the most malleable and ductile of the elements.

Let's Learn About gold!

Because gold (Au) is visually pleasing and workable and does not tarnish or corrode, it was one of the first metals to attract human attention. Examples of amazing gold workmanship survive from ancient Egyptian, Minoan, Assyrian, and Etruscan artisans, and gold continues to be a highly favoured material out of which to craft jewelry and other decorative objects.

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How oxygen concentrators work

Let’s learn about CHROMIUM!

Let's learn about CHROMIUM - In!

Chromium is a chemical element with the symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal. Chromium is the main additive in stainless steel, to which it adds anti-corrosive properties.

It is a lustrous, brittle, hard metal. It is silver-gray and it can be highly polished. It does not tarnish in air, when heated it borns and forms the green chromic oxide. Chromium is unstable in oxygen, it immediately produces a thin oxide layer that is impermeable to oxygen and protects the metal below.

Chromium is a chemical element with the symbol Cr and atomic number 24.

It is mainly used in electroplating, tanning, printing, and dyeing, medicine, fuel, catalysts, oxidants, matches, and metal corrosion inhibitors. At the same time, metallic chromium has become one of the most important electroplated metals.

It’s used in a variety of applications. Motorcycles often feature chromium-coated components, whereas silverware may feature a similar type of chromium plating. It is used in stainless steel. It doesn’t rust. It reflects nearly 70% of visible light

Let's learn about CHROMIUM - In!

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