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MT 177 - Suspensibility of water dispersible powders (simplified method)

 

Content Handbook F

 

Outline of method

A suspension of known concentration in standard water or distilled water is prepared, placed in a prescribed measuring cylinder at a constant temperature, and allowed to remain undisturbed for a specified time. The top 9/10ths are removed and the content of active ingredient in the top 9/10ths is determined.

 

Scope

The method is suitable for suspensions containing up to 1 % active ingredient but is not necessarily suitable for suspensions of higher concentration.