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Description
Students compare soil samples from various locations by separating them into sand, silt, and clay fractions with dispersing and flocculating reagents. Tests are performed in calibrated conical tubes held upright in a clear holder. Includes complete instructions and background information plus sufficient chemicals for 50 tests.
Students compare soil samples from various locations by separating them into sand, silt, and clay fractions with dispersing and flocculating reagents. Tests are performed in calibrated conical tubes held upright in a clear holder. Includes complete instructions and background information plus sufficient chemicals for 50 tests.