Testing Water for Magnesium w/ Titration Kit

[bigbrother]

In my work we are suffering now from a problem of magnesium in water that we are using for drilling, we need test kit to test magnesium oncentration
we could not use photometric analysis or any other complicated device we need method of testing depend on titration reaction
could anyone help me

 

[chemisttree]

http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=4394 Easy, over-the-counter test. Not extremely accurate.

http://pubs.acs.org/doi/abs/10.1021/ac50141a009 This paper outlines a magnesium-specific test based on a titration. Included references discuss complicating factors. Much more accurate.