>>5037570The best way to denaturalize proteins is with proteases because chemical denaturalization is hard and crazy (about 24 hours and 200°C of HCl 40M)
Another way to denaturalize proteins is with caustic salts and organic solvents, you need to chop pieces very well before this method.
Bones and DNA is hard to attack. DNA is quasi-indestructible and you can only attack it with exonucleases.
With specific material and around 400€ you can destroy a human body to monomeric molecules that not even the most advanced laboratory in the world can detect if that corpse really existed.