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Sample Concentration (ppm) Absorbance Blank

If you have an equation for a line, y = 0.15x + 0.010, where y is absorbance and x is concentration in molarity of Fe (2+),
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2. asked by Ch
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How would you get the concentration(ppm) of a sample from absorbance?Absorbance of standard = 2.55 Absorbance of sample = 2.31
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2. asked by Lora
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You are measuring the concentration of Fe2 in a sample by measuring the absorbance of its complex with ferroxine. Your sample,
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2. asked by Shai
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Imagine that your initial absorbance reading for "low salt" fraction was too high, so you diluted your sample 4x. When you
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2. 26 views
Imagine that your initial absorbance reading for "low salt" fraction was too high, so you diluted your sample 4x. When you
1. 1 answer
2. 25 views
If you have an equation for a line, y = 0.15x + 0.010, where y is absorbance and x is concentration in molarity of Fe (2+),
1. 1 answer
2. asked by Tom
3. 475 views
Potassium ferricyanide has an extinction coefficient of 1020 1/M*cm at 420 nm. The absorbance of a sample of unknown
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2. asked by Jay
3. 1,037 views
Sample Concentration(ppm) Absorbance Blank Standard 1 Standard 2 Standard 3 Standard 4 Standard 5 Soil sample 0.00 1.00 2.00
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2. 57 views
The regression line from a plot of absorbance vs. concentration yields: 𝐴 = 2.31[𝐶] + 0.002. If the absorbance of an
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2. asked by Edco
3. 321 views
The regression line from a plot of absorbance vs. concentration yields: 𝐴 = 2.31[𝐶] + 0.002. If the absorbance of an
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2. asked by Shiro
3. 1,756 views