Urine Preservatives Flashcards
1
Q
Refrigeration (2-8 C)
A
Doesn’t interfere with chemical tests
Raises Specific Gravity, Precipitates Urates and Phosphates
2
Q
Toluene
A
Doesn’t interfere with routine test
Floats on surface of specimens and clings to pipettes and testing materials
3
Q
Sodium Fluoride
A
Ideal for Drug Testing
Inhibits Reagent Strip Tests
3
Q
Formalin
A
Preserves Sediments
Interferes with Chemical Tests
4
Q
Phenol
A
Doesn’t interfere with routine test
Causes Odor Change