PNA
Nta
PNA yog ib rab koob daj zoo li siv lead ua uas muaj tshuaj lom thiab sublimation. Nws yog ib qho nruab nrab hauv ntau yam luam ntawv, dyeing, thiab tshuaj chemicals.
Daim ntawv thov
PNA yog ib qho tseem ceeb raw khoom rau organic synthesis. Nws tuaj yeem siv los ua ib qho nruab nrab rau dyes, antioxidants, tshuaj thiab tshuaj tua kab, thiab lwm yam. Nws yog cov khoom siv raw los tsim p-phenylenediamine (PPDA).
Sau koj cov lus ntawm no thiab xa tuaj rau peb