other mixtures of /more products of different headings of - mixtures of /more products of different headings of - other celery (seed) fenugreek (seed) dill (seed) ajwain (seed) other powder celery (powder) fenugreek (powder) dill (powder) poppy (powder) mustard (powder) other husk other other other oil...
to °c, which gives nitrobenzene. in the second step, the nitrobenzene is hydrogenated, typically at - °c in presence of various metal catalysts. originally, the reduction was effected with a mixture of ferrous chloride and iron metal via the bechamp reduction. as an alternative, aniline is also prepared...