I don't recall any such discussion. Must have been before I arrived here. Your response was interesting.
Euric ----- Original Message ----- From: "James Frysinger" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[EMAIL PROTECTED]> Cc: "U.S. Metric Association" <[EMAIL PROTECTED]> Sent: Sunday, 2004-08-08 20:54 Subject: [USMA:30678] Re: pints of blood > Euric, > > I thought we covered that a year or two ago. Blood donations to the American > Red Cross are in "units". A "unit" is defined based on a range of masses; > that is, there is a minimum and a maximum allowable mass for a unit. > > The "pint" went away officially some thirty years ago but the name has hung on > so a "gallon" is really 8 "units", not 8 "pints" despite what the card might > say, if you can fathom that. Well, there's my sixpence worth of comment. > > Jim > > > On Saturday 2004 August 07 13:15, Euric wrote: > > If I donate a pint, how much blood am I really donating? > > > > The collection bags hold 450 mL of product. The standard US pint is 473 > > mL. When you say pint, do you mean 473 mL or the 450 mL the bag holds. > > What means do you use to measure a pint? > > > > When you say gallon, do you mean 3.785 L based on a 473 mL pint, or do you > > mean 3.6 L, based on the 450 mL capacity of the bag? > > > > Below you mention a donor who has given 24 gallons. How much did he > > actually give? Based on the standard definition of the gallon, that would > > be 91 L. Based on the amount of blood held in the bags, that would be > > about 86.5 L. That is a 4.5 L difference in the two meanings. > > > > I'm just curious to know how you determine the amount of blood in a pint > > and gallon. > > > > > > > > > > American Red Cross Recognizes 24 Gallon Blood Donor > > > > > > Philadelphia, PA, April 29th, 2004 - > > Montgomery County's Hal Kellogg Has Been Donating Blood for 70 Years > > > > > > > > Proving that there is no age limit to donate blood, Howard "Hal" > > Kellogg recently gave his 24 gallon blood donation for the American Red > > Cross at the age of 88. > > > > > > > > Thanks, > > > > Euric > > -- > James R. Frysinger > Lifetime Certified Advanced Metrication Specialist > Senior Member, IEEE > > http://www.cofc.edu/~frysingj > [EMAIL PROTECTED] > [EMAIL PROTECTED] > > Office: > Physics Lab Manager, Lecturer > Dept. of Physics and Astronomy > University/College of Charleston > 66 George Street > Charleston, SC 29424 > 843.953.7644 (phone) > 843.953.4824 (FAX) > > Home: > 10 Captiva Row > Charleston, SC 29407 > 843.225.0805 >
