After homogenization by mechanical shaking (vortex), an appropriate volumewas transferred to the autosampler cup of the GF AAS instrument. All of these operations were performed in a laminar flow hood to avoid contamination
After homogenization by mechanical shaking (vortex), an appropriatevolumewas transferred to the autosampler cup of the GF AAS instrument.All of these operations were performed in a laminar flowhood to avoid contamination