The authors developed a reliable spectrophotometric method for determining and measuring trace amounts of lead in various samples. Lead has long been recognized as a hazardous metal to fish and other ...
Publications of the Astronomical Society of the Pacific, Vol. 117, No. 834 (August 2005), pp. 810-822 (13 pages) ABSTRACT We present CCD observations of 102 Landolt standard stars obtained with the ...
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