Shiva Purana
अतः परं प्रजुहुयाद्विरजाहोममात्मनः ॥ षड्विंशतत्त्वरूपेस्मिन्देहे लीनस्य शुद्धये ॥ २१॥
After this one should offer the Viraja Homa for himself. For the purification of one who is absorbed in this body in the form of the twenty-six elements.
english translation
ataH paraM prajuhuyAdvirajAhomamAtmanaH ॥ SaDviMzatattvarUpesmindehe lInasya zuddhaye ॥ 21॥
hk transliteration by Sanscript