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#1
04-10-2012, 03:36 PM
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 Need help with spec 20... Well I did a some samples with a spec 20, looking for phosphates. Now the problem I have is the instructions I was given and I'm almost certain I did them wrong but maybe there is a way to correct for this? So what I did was set my wavelength to 885, and zeroed it. I then put my samples in and was getting like .1-.3 for reading on percent transmittance and anywhere from 1.55-1.6 for absorbance. Now shouldn't the reading be on the other side of the scale??? What can I do to remedy this!!!!  |
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#4
04-11-2012, 09:52 AM
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