In article ,
WaltA wrote:

Mind you, thinking of oleum in your other post, I have in the past,
a long time ago in my youth,,, played with a nitrating mixture of
fuming nitric and conc. sulphuric involving tol%^ne.
I wont mention the hoped-for product cos it'll set the "watchers" into
a tizzy ! ( if they are not already !)

We are.

Best regards,
A. Spook
(pp the Gnome Secretary).