Intrinsic Ingredients Dissolution Apparatus Kit, comprising (2) 316 Stainless Steel dies, 6 anvils (punches), 1 surface pressing plate with 3 nuts and 3 washers, 2 polypropylene "caps", 2 Viton gaskets, (2) 900ml dissolution vessels with flat bottoms. ICL's new dissolution kit enables testing of the intrinsic dissolution rate of active pharmaceutical ingredients.