unit is g/ml
Density
A concrete number
Density
an abstract number
Specific Gravity
represented in relative term
Specific Gravity
Based on Archimedes Principle
Displacement/ Plummet Method
Clinical Application of Sp. Gr
Important factor in urinalysis
normal fluid intake of adults
1.010 - 1.025
Clinical Application of Sp. Gr.
Indicator of both the concentration of particles in the urine and patient's degree of hydration
Indicated that the urine is diluted
Low specific gravity
Indicates that the urine is concentrated
Higher-than-normal specific gravity
What are reciprocals
Specific gravity and Specific Volume
Substances that are heavier than water will have?
Higher specific gravity and lower specific volume
substances that are lighter than water will have
lower specific gravity and higher specific volume
Solutions and suspensions
Solids in liquids
Solutions
Liquids in liquids
Mixtures
Solids or semisolids
solutions
Gas in Liquids
Weight in volume applicable dosage
Solutions and lotions
Volume in Volume applicable dosage
Aromatic waters, topical solutions, and emulsions
Weight-in-weight
Ointment, creams and gels