Association of dialysate bicarbonate concentration with mortality in the Dialysis Outcomes and Practice Patterns Study (DOPPS). Tentori F(1), Karaboyas A, Robinson BM, Morgenstern H, Zhang J, Sen A, Ikizler TA, Rayner H, Fissell RB, Vanholder R, Tomo T, Port FK.Author information:ssociation of dialysate bicarbonate concentration with mortality in the Dialysis Outcomes and Practice Patterns Study (DOPPS). Tentori F(1), Karaboyas A, Robinson BM, Morgenstern H, Zhang J, Sen A, Ikizler TA, Rayner H, Fissell RB, Vanholder R, Tomo T, Port FK. Author information:
Grading Morgan Dollars (1878-1921) The Morgan Dollar was coined solely as a subsidy for the domestic silver mining industry, and silver certificate notes took their place in daily commerce. Because these coins were not required for general circulation, millions of uncirculated pieces sat idle in Treasury Department vaults or in Federal Reserve banks.
For a list of Washington Quarter coins, see: Washington quarter. The reverse prior to the State Quarter Program. The current clad version is two layers of cupronickel, 75% copper and 25% nickel, on a core of pure copper. The total composition of the coin is 8.33% nickel, with the remainder copper. quarter, short for quarter dollar, is a U.S. coin worth 25 cents, one-fourth of a dollar. It has been produced since 1796. The choice of 1â4 as a denominationâas opposed to the 1â5 more common elsewhereâoriginated with the practice of dividing Spanish milled dollars into eight wedge-shaped segments.