Sodium Hexametaphosphate 1lb Bottle
Sodium Hexametaphosphate (SHMP) is a dry powder dispersion agent mixed into soil hydrometer solutions to prevent clay platelets from sticking together in the sedimentation solution. Required in hydrometer analysis of soils to determine silt and clay fractions.
Features:
- Prevents clumping of clay platelets in sedimentation solution
Meets Test Methods:
AASHTO T88
ASTM C 775
ASTM D 422
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