The proportion of silver in these alloys is stated in terms of fineness, which means parts of silver per thousand of the alloy. Sterling silver contains 92.5 percent of silver and 7.5 percent of another metal, usually copper; i.e., it has a fineness of 925. Jewelry silver is an alloy containing 80 percent silver and 20 percent copper (800 fine). The yellow gold that is used in jewelry is composed of 53 percent gold, 25 percent silver, and 22 percent copper.
A small glass of OJ has up to 93mg of vitamin C, and a small glass of grapefruit juice has up to 70 mg of vitamin C. Even though oranges are probably the most popular vitamin C food, it doesnât have the highest amount in it.
14. While not as colorful as some of our other foods high in vitamin C, cauliflower holds its own with this essential nutrient. Just one cup of cauliflower will give you approximately 46 mg, not to mention plenty of vitamin K, folate and dietary fiber.hile not everyoneâs favorite food, Brussels sprouts have a great Vitamin C reputation. One serving of cooked Brussels sprouts has almost 50 mg of vitamin C. Brussels sprouts are also high in vitamin K, folate, vitamin A, manganese, potassium and dietary fiber.