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.
Sterling silver is a popular metal for jewelry, silverware and decorations. Sterling silver is an alloy of silver that consists of 92.5% pure silver and 7.5% of other metal, usually copper.Fine silver (99.9% pure) typically is too soft for practical objects.Alloying with copper maintains the silvery color of the metal, while increasing its strength.terling silver is an alloy of silver that consists of 92.5% pure silver and 7.5% of other metal, usually copper.