ASTM D 6910 Standard Test Method for Marsh Funnel Viscosity of Clay Construction Slurries
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ASTM D 6910 Document Information:
Title
Standard Test Method for Marsh Funnel Viscosity of Clay Construction Slurries
ASTM International
Publication Date:
Jan 1, 2004
Scope:
This test method provides an indirect measurement of the viscosity of
clay slurries using a funnel
(Marsh Funnel) and a graduated cup of specific dimensions. This test
method provides a practical
indicator of the viscosity on a routine basis. This test method has
been modified from the API
Recommended Practice 13B-2.
The result determined using the method is referred to as the Marsh
Funnel Viscosity.
This test can be performed in the laboratory, or used in the field to
assess the apparent viscosity
of a clay slurry for quality control purposes. The most commonly used
slurry is a bentonite clay
slurry.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
Keywords:
- bentonite slurry
- clay slurry
- funnel viscosity
- hydraulic barriers
- marsh funnel
- slurry
- viscosity
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