مَّرْفُوعَةٍ مُّطَهَّرَةٍۭ
Sentence structure
Both words are further genitive passive-participle adjectives of صُحُفٍ, showing feminine-singular agreement with a non-human broken plural.
Ayah summary
Those scriptures are exalted and purified.
مَّرْفُوعَةٍۢ — Exalted
Grammar: genitive adjective functioning as the adjective.
مُّطَهَّرَةٍۭ — purified
Grammar: genitive adjective functioning as the adjective.