VITAMIN C EXCRETION RATE
12-May-05
Fill in the data in this format when you are measuring vitamin C excretion rate
URINE COLLECTION:
Time bladder was completely voided:  
Volume of water consumed at that time:  
Time (one hour later) specimen collected:  
Volume in mL of urine produced in one hour   mL
hydrometer reading:  
TITRATION:
Aliquot volume of urine titrated: 10 mL (indicate if you use 5 mL aliquots)
Conversion factor for Iodine used:   mg vitamin C/mL iodine
titration #: I II III
finish      
start      
iodine used:      
CALCULATION:
Average volume of iodine used/ 10 mL aliquot:   mL
mg Vitamin C/10 mL aliquot of urine:   mg
Number of 10 mL aliquots produced in an hour:  
mg of Vitamin C excreted in urine in one hour:   mg/hour