Sulfur mustard. Sulfur mustard, commonly known as mustard gas, is the prototypical substance of the sulfur-based family of cytotoxic and vesicant chemical warfare agents known as the sulfur mustards which have the ability to form large blisters on exposed skin and in the lungs.
Silver jewelry, ornaments, and silverware are traditionally made from Sterling Silver. Sterling Silver is an alloy composed of 92.5% silver and the remainder 7.5% other metals, usually copper. Britannia Silver - Silver that is alloyed with a maximum of 5% other metals.
If youâre considering buying 925 Sterling Silver, you will no doubt want to know the difference between pure silver and 925 sterling silver. Well, pure silver is not really made up of only silver. It has 99.9% of silver, and a small content composed of other metals such as copper. Sterling Silver, on the other hand, consists of 92.5% silver, and the remaining part consists of copper â mostly copper.