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The following calculations are used in this test:
Maximum Specific Gravity
SGmax = A / [A - (C - B)] . bowl under water
SGmax = A / [A + D - E] bowl in air
SGmax = A / [A + F - G] flask
where,
SGmax = Maximum specific gravity
A = Mass of dry specimen in air
B = Mass of bowl under water
C = Mass of bowl and specimen under water
D = Mass of lid and bowl with water
E = Mass of lid, bowl, specimen, and water
F = Mass of cover plate and flask filled with water
G = Mass of cover plate, flask, specimen, and water
Density
ρ = SGmax * ρw
where,
ρ = Density
ρw = Density of water at 25°C (0.9970 g/cm3)