he: i.e. one of the sons whose turn it was.
burn: as incense. Hebrew. katar. App-43.
memorials. memorial portion. See note on Leviticus 2:2.
Related Commentaries of Leviticus 6:15
Leviticus 6:15
15 And he shall take of it his handful, of the flour of the meat offering, and of the oil thereof, and all the frankincense which is upon the meat offering, and shall burn it upon the altar for a sweet savour, even the memorial of it, unto the LORD.