Measuring cobalt leach by metal working fluids

[saberblue]

We manufacture metal working fluids (coolants) and are in the process of upgrading some of our labratory techniques and are trying to see if there is a generaly accepted industry standard test for measuring the tendancy of a fluid in contact with carbide or other high Co material to desolve the Co.

It is not a problem of measuring the Co in solution but rather finding a good,way of exposing the fluid to the Co in a consitant, repeatable maner so we don't have to do it a different way for each customer when they ask.

Help just looking to avoid having to re invent the wheel once again.