The research of liquid waste PT. PUSRI treatment by using coagulant of alum and activated carbon had been done.The purpose of this research was to determine decrease of ammonia concentration in liq…
Telah dilakukan penelitian terhadap warna origami dan gas ammonia untuk menguji ammonstabilitas alat yang berfungsi untuk sensor warna DT-Sense color dan sensor gas ammonia MQ137. Metode peneliti…