Measuring The Rate Of Photosynthesis Using A Spectrophotometer

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Issue:

Science

 

Written by:

Mary S

 

Date added:

June 22, 2015

 

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Grade:

C

 

No of pages / words:

6 / 1627

 

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469 times

 

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Essay content:

The spectrophotometer includes a light bulb, a reflector, and a detector. When a sample is in place and the chamber lid is closed, light from the light bulb passes through it. The detector measures the amount of light transmitted. The white light from the bulb is separated into different wavelengths by reflecting the beam off of a diffraction grating, forming a spectrum...
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A pigment solution (such as spinach and acetone) is exposed to different wavelengths of light to determine the points of the highest absorbance and transmittance percentages. (Hickey, Mary Kay). For this experiment, a Bausch and Lomb Spectrophotometer was used. Often objects appear colored because of their absorption of light within regions of the visible spectrum...
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