Roger Shoaf writes:

Why not get the MSDS for the admixture and compare it to the MSDS for
your paint? If latex is the stuff that you are looking for you can
buy liquid latex for about $20 a gallon.

MSDSs don't typically give emulsion concentrations.

Easy enough to test yourself from samples, though. Wet some paper towels
with the samples, let them dry. Weigh (A) before wetting, (B) after
wetting, and (C) after drying. Proportion of solids is (C-A)/(B-A).

I used this method to evaluate various brands of admix for a big job. They
like to hide their competitive facts like how much water you're buying.