Tug boat is the transportasion equipment in the sea that can be used to conduct many of job that like to drag, postpone, pool, and anchor the ship and other floating equipment. Usually to the water for the ship supply taken from the closest place to the port and so save the water put in the tank that made from the steel. In is possible occur the pollution of metal element especially timbale. Ti…
Analysis mercury in cosmetics body lotion using atopic absorption spectrophotometry method modifified with mercury vapour unit. analysis method validation result covers linearity r= 0.9876, limits of detection 1.8919 ppb, limit of quantitation 6.3066 ppb, accuration 88.25%, and precision 98.3486%. analysis result mercury in cosmetics body lotion using atomic absorption spectrophotometry method …
Research on antibacterial activity of jockfruit wood (A heterophylla Lmk) ethanolic extract to B, subtilis and E coli in vitro have been done, jackfruit woor ethanolic extraction was done with maceration method using ethonolic solvent 70%. Antibacterial activity test used agar diffution method. There were tesred 5 groups of serial extract concentration 1%, 10% and 100%; positive control (tetrac…