35 and make a fragrant blend of incense, the work of a perfumer. It is to be salted and pure and sacred.

Read Exodus 30:35 Using Other Translations

And thou shalt make it a perfume, a confection after the art of the apothecary, tempered together, pure and holy:
and make an incense blended as by the perfumer, seasoned with salt, pure and holy.
Using the usual techniques of the incense maker, blend the spices together and sprinkle them with salt to produce a pure and holy incense.