Cobalt (Co) is a bluish-gray, shiny, brittle metallic element. It has magnetic properties similar to iron. There are no significant minerals of cobalt. Is pure cobalt magnetic? Cobalt. Cobalt is a ferromagnetic metal. Over the past 100 years, cobalt has been used widely because of its excellent magnetic properties. Cobalt Read more…
The LD 50 value for soluble cobalt salts has been estimated to be between 150 and 500 mg/kg. Thus, for a 100 kg person the LD50 would be about 20 grams. How much cobalt is poisonous? * Exposure to 20 mg/m3 is immediately dangerous to life and health. Is cobalt Read more…
Applications of Cobalt Super alloys do not rust and retain their physical and chemical properties at high temperatures. Is cobalt rust resistant? As a group, the cobalt-base alloys may be generally described as wear resistant, corrosion resistant, and heat resistant (strong even at high temperatures). What does cobalt do to Read more…
Cobalt is one of the most common metals to cause contact allergy via a delayed hypersensitivity reaction. What are the symptoms of cobalt allergy? A cobalt allergy typically begins when you’re exposed to cobalt in eye makeup, tattoos, or industrial products. It causes an itchy, red, scaly rash. A vitamin Read more…
Cobalt: similar to platinum, but typically half the price. What element is more expensive than platinum? Palladium is the most expensive of the four major precious metals – gold, silver and platinum being the others. It is rarer than platinum, and is used in larger quantities for catalytic converters. What Read more…
Cobalt is a shiny, gray, brittle metal that is best known for creating an intense blue color in glass and paints. What does cobalt look like? Cobalt is a grayish-white metal with the chemical symbol Co. As a pure metal, cobalt is hard and brittle. It makes a strong alloy Read more…
A 14K gold alloy includes by weight percentages about 58.5 to 58.8% gold, 12.8 to 14.4% silver, 22.9 to 24.8% copper, 3.5 to 4.1% zinc and 0.2 to 0.5% cobalt. What does 14K gold contain? 14-Karat Gold It’s composed of 58.3% gold and 41.7% alloy. Appearance: 14k gold has a Read more…
* Cobalt is on the Hazardous Substance List because it is regulated by OSHA and cited by ACGIH, DOT, NIOSH, DEP, IARC and EPA. Is cobalt a hazardous material? It can harm the eyes, skin, heart, and lungs. Exposure to cobalt may cause cancer. Workers may be harmed from exposure Read more…
Recovery rates for key metals like cobalt is 95%, and the cobalt can be reused in battery materials and other applications. What battery types are recyclable? Common alkaline and zinc-carbon batteries include 9 Volt, AA, AAA, C, D and some button cells. Some reclamation companies recycle these batteries; check with Read more…
Cobalt is a silvery, bluish-gray metal ore. When cobalt salts and aluminum oxide are mixed, you get a beautiful shade of blue. The color cobalt or cobalt blue is a medium blue, lighter than navy but bluer than the lighter sky blue color. What color is cobalt similar to? The Read more…