% Copper In An Ore

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Title: % Copper In An Ore
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Subject: Science
Date: June 14, 2005
Length: 3 / 653
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We then confirmed that are blank cuvettes read 0 on the Genesys spectrophotometer . We then measured the 0.500 M Cu2+ absorbance of wave length every 25 nm until reaching 950 nm. We then found our wavelength at which A is a maximum and repeated measuring every 5 nm...
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We then found our wavelength at which A is a maximum and repeated measuring every 5 nm. We then diluted our solution further using a pipette adding 20 ml, 10 ml, and 5 ml to three separate 25 ml volumetric flask and diluted to the calibration line and swirled vigorously...
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