3. banana peel powder, charcoal filter from the filter paper with kamman BER 1, bring the solution to the Quantitation of the remaining gold with Atomic Absorption Spectrophotometer at wavelength nm ...................
3. Activated carbon filtration with Whatman filter paper from banana peel 1, then the solution is to analyze the remaining gold with Atomic Absorption Spectrophotometer. ................... Nm wavelength
3. Filter, activated carbon from banana peel by filter paper 1 number the solution to the analysis of gold is left with Atomic machine. Absorption Spectrophotometer wavelength to... To... The... Nm.