This page is about the measurement using water as a reference. For a general use of specific gravity, see relative density. See intensive property for the property implied by specific. Specific gravity is the ratio of the density of a substance compared to the density (mass of the same unit volume) of a reference substance. Apparent specific gravity is the ratio of the weight of a volume of the substance to the weight of an equal volume of the reference substance.
Recent Posts
- Amphetamine Drug Test: Detection Times and Results (2026 Guide)
- MD Drug Screen vs PreScreen Plus: Which 14-Panel Cup Is Better?
- Rapid Drug Tests: Cost, Results & Workplace Screening Options
- Urine Drug Test Color Chart: What Test Results Mean (2026 Guide)
- Construction Drug Test: Panels, Weed Rules & Detection Times
Categories
Archives
Content Policy
The content published on the DrugTestsInBulk.com blog is provided for informational and educational purposes only. Articles are based on industry research, professional experience, and current trends in drug and alcohol testing. The opinions expressed are those of the author and do not necessarily reflect the official position of DrugTestsInBulk.
While we strive for accuracy, regulations, testing standards, and workplace policies can change over time. DrugTestsInBulk does not provide legal, medical, or compliance advice. Readers should consult qualified legal counsel, Medical Review Officers (MROs), or other appropriate professionals regarding Federal, State, and local drug testing laws and regulations.
Blog content should not be considered a substitute for professional advice or official regulatory guidance.

