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.
Other fruits that contain high levels of vitamin C are kiwis, strawberries, raspberries, pineapple, watermelon, guava and papaya. Vegetables that are rich in vitamin C include dark green leafy vegetables, broccoli, cabbage, cauliflower, tomatoes, celery, bell peppers and brussels sprouts.These vitamin C rich nutrients are most potent when consumed fresh or raw.itamin C and E are both powerful antioxidants that are healthy and beneficial to the functioning of your body. A diet rich in these vitamins is a proactive way to stay feeling good and looking good.