
Keywords: استخراج معادن طلا در مقیاس کوچک; Methylmercury; Soil; Sediment; Freeze-drying; Oven-drying; Storage; MeHg; methylmercury; CL; chemiluminescence; AFS; atomic fluorescence spectrophotometry; T-Hg; total-mercury; ASGM; artisanal small-scale gold mining;