ASTM D 4187 : 1982
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
31-12-1992
31-12-2010
CONTAINED IN VOL 11.01 Describes measurement and calculation of zeta potential of colloids in water and waste water from determination of electrophoretic mobility of colloidal particles. Uses fiber Optic, Blue White Light, and Laser Light methods.
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