Bicarbonate is a buffer-it adjusts acidity. Bicarbonate is in the blood naturally. The body uses it to control it's acidity. Bicarbonate is used in dialysis to maintain the proper acid balance in the body.icarbonate is in the blood naturally. The body uses it to control it's acidity. Bicarbonate is used in dialysis to maintain the proper acid balance in the body.
CoinTrackers.com has estimated the 1921 Morgan Silver Dollar value at an average of $31, one in certified mint state (MS+) could be worth $171. (see details)... Type: Morgan Silver Dollar. Year: 1921. Mint Mark: No mint mark.
Hi conch, Thank you for a very interesting question! :) According to the American Gold Exchange http://www.amergold.com/vault/USMorganSilverDollars.shtml Specifications: U.S. Morgan Silver Dollars Minted: 1878 - 1904, 1921 Designer:George T. Morgan Weight:26.73 grams Composition: .900 silver/.100 copper Net silver content: 0.77344 troy oz.