PEMANFAATAN TANAMAN PETUNIA UNGU (Ruellia simplex C.) SEBAGAI PENYERAP LOGAM TIMBAL (Pb) PADA MEDIA TUMBUH TANAH
Abstrak: Has been done a
research concerning the use of Petunia Ungu (Ruellia simplex C.) plants as an
absorbent lead metal (Pb) in the soil growing medium. The research almed to
determine the levels of lead metal in petunia ungu plants and determine the
effect of variations of concentrations also to determine the effect of
absorption time in plants during planting petunia ungu 1, 2, 3 and 4 weeks then
petunia ungu planted in the soil as the growing that was added a solutions of
lead respectively 0, 25, 50, 75 and 100 mg/L. A soil sample preparation was
conducted by wet digestion method and petunia ungu plants by dry digestion
method. Metal levels of lead in the soil samples and petunia ungu plants was
measured by atomic absorption spectrophotometer at wavelengths of 283,3 nm. The
result of research showed that petunia ungu plants can absorb lead metal, the
average levels of lead metal in petunia ungu plants consist of 0 ppm 1, 2, 3
and weeks 1,2303; 1,3190; 1,5064 and 1,6915 mg/Kg. 25 ppm 2,1779; 3,0426;
3,4145 and 3,3643 mg/Kg. 50 ppm 3,1317; 3,4316; 3,8689 and 4,2841 mg/Kg. 75 ppm
3,1179; 4,6695; 6,5676 and 6,6828 mg/Kg. 100 ppm 2,5205; 3,6302; 5,4442 and
6,9167 mg/Kg. beside that a lead metal content in the soil as a growing medium
decreased.
Penulis: Mutia Wulandari,
Alimuddin, Bohari Yusuf
Kode Jurnal: jpkimiadd130721
