וְעָשִׂ֤יתָ אֹתָהּ֙ קְטֹ֔רֶת רֹ֖קַח מַעֲשֵׂ֣ה רוֹקֵ֑חַ מְמֻלָּ֖ח טָה֥וֹר קֹֽדֶשׁ׃
און זאָלסט מאַכן דערפֿון אַ רײכערװאַרג, אַ בשׂמים אַזױ װי דער בשׂמים-מישער מאַכט, צוגעריכט מיט זאַלץ, רײן, הײליק.
Rashi
shall vanish Heb. נִמְלָחוּ, shall rot away. Comp. (Jer. 38:12) “Rags and decayed clothing (בְּלוֹאֵי הַסְּחָבוֹת),” a decayed garment. Another explanation of נִמְלָחוּ is: shall be stirred. This is an expression similar to “the sailors of (מַלָּחֵי) the sea,” who stir the water with the oars that guide the ship. Comp. also (Ex. 30:35) “Stirred (מְמֻלָּח), pure, and holy.”
Sforno
ואת קטורת הסמים טהור; with spices from which any foreign elements had been carefully removed, i.e. טהור, “pure, unadulterated.”