CARBOIDRATES, CHROMATOGRAPHY

Collection Instr. …………:
Collect, preferentially in the laboratory, the 1st urine sample in the morning, or with a 4-hour break between urinations;

Perform local hygiene with soap and water, dry, discard the 1st urine sample and collect the next sample, discarding the third sample; Use a clean, proper flask for urine collection; If possible, ingest milk, gluten, fruits and sugars the day before the collection.