Reference for Menachot 33:3
מאי לאו הקטרה דומיא דהנך מה הנך בין לאכול בין להקטיר אף הקטרה בין לאכול בין להקטיר
Now presumably the service of burning is similar to the other [services],<span class="x" onmousemove="('comment',' Which are stated in this Mishnah in connection with the handful.');"><sup>4</sup></span> and as with the others [the intention which makes piggul may be] either concerning the eating [of the remainder] or concerning the burning [of the frankincense], so with the service of burning [the intention which makes piggul may be] either concerning the eating [of the remainder] or concerning the burning [of the frankincense]! - No; with the others the intention may be either concerning the eating or concerning the burning, but with the service of burning the intention can be only concerning the eating but not concerning the burning.