Absorbance for Purple Solution

  • Thread starter getfirefox
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getfirefox
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Hi everyone.

I don't have access to a visible spectrophotometer to do this so I'm looking for results on the internet.

I just did the persulfate variation of the iodine clock and I need absorbance spectroscopy results for the blue/black complex that is formed with the iodine and starch at the end. I know the wavelength of the spectrophotometer should be set at 570nm (yellow orange colour) as this is the complementary colour of purple. This is all I know though.

Anyone know where I might find results for this?

Cheers.
 

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