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.
As of 2014, the silver in the 1965 Canadian silver dollar is worth  $11.42. Most 1965 Canadian silver dollars are worth the value of the metals they contain, though coins in exceptional condition are worth more. These coins are 80 percent silver, so their worth is more than face value.