Even the purest forms contain a small percentage of volatile matter and ash.
This is survival horror in it's purest form.
Chocolate in its purest form is gluten-free.
It may also be claimed for the honey extractor that it does away with the objection entertained by many persons to the use of honey, by enabling the apiarist to remove his produce from the honey-combs in its purest form untainted by crushed brood and untouched by hand.
According to Ridgeway, the original source of the finest equine blood is Africa, still the home of the largest variety of wild Equidae; he concludes that thence it passed into Europe at an early time, to be blended with that of the indigenous Celtic species, and thence into western Asia into the veins of an indigenous Mongolian species, still represented by " Przewalski's horse "; not till a comparatively late period did it reach Arabia, though the " Arab " now represents the purest form of the Libyan blood.