In UV spectroscopy we are taught the effects of polarity on liquid chemistries that may undergo bathochromic red shif, hypochromic blue shift , hypsochromic decrease in absorbance and aborptivity and hyperchromic effects a increase in absorbance or absorptivity. The cause for hyperchromic shifts has one explanation that appears to make sence and that is related to Auxochromic groups or the effect on the chromophore for for a new chromophore with the auxo group that causes both a hyperchromic and bathochromic red shift. Question 1: Does this dual shift in absorbance and wavelength occur in non-liquid sustances like plastics e.g. polypropylene, polyethylene, condensation polymers like PET and Polycarbonate? Question 2: Is there a way to predict level of hyperchromic shift based on the auxochromic group or do we need to know the chromophore? Question 3: Are there known examples of chromophore and Auxochromic groups that provide various molar extinction or absorptivity or absorbance changes in liquids that would help to correlate what may be happening in a solid plastic matrix? (Absorptivity is l/gm-cm)
In UV spectroscopy we are taught the effects of polarity on liquid chemistries that may undergo bathochromic red shif, hypochromic blue shift , hypsochromic decrease in absorbance and aborptivity and hyperchromic effects a increase in absorbance or absorptivity. The cause for hyperchromic shifts has one explanation that appears to make sence and that is related to Auxochromic groups or the effect on the chromophore for for a new chromophore with the auxo group that causes both a hyperchromic and bathochromic red shift. Question 1: Does this dual shift in absorbance and wavelength occur in non-liquid sustances like plastics e.g. polypropylene, polyethylene, condensation polymers like PET and Polycarbonate? Question 2: Is there a way to predict level of hyperchromic shift based on the auxochromic group or do we need to know the chromophore? Question 3: Are there known examples of chromophore and Auxochromic groups that provide various molar extinction or absorptivity or absorbance changes in liquids that would help to correlate what may be happening in a solid plastic matrix? (Absorptivity is l/gm-cm)
In UV spectroscopy we are taught the effects of polarity on liquid chemistries that may undergo bathochromic red shif, hypochromic blue shift , hypsochromic decrease in absorbance and aborptivity and hyperchromic effects a increase in absorbance or absorptivity. The cause for hyperchromic shifts has one explanation that appears to make sence and that is related to Auxochromic groups or the effect on the chromophore for for a new chromophore with the auxo group that causes both a hyperchromic and bathochromic red shift. Question 1: Does this dual shift in absorbance and wavelength occur in non-liquid sustances like plastics e.g. polypropylene, polyethylene, condensation polymers like PET and Polycarbonate? Question 2: Is there a way to predict level of hyperchromic shift based on the auxochromic group or do we need to know the chromophore? Question 3: Are there known examples of chromophore and Auxochromic groups that provide various molar extinction or absorptivity or absorbance changes in liquids that would help to correlate what may be happening in a solid plastic matrix? (Absorptivity is l/gm-cm)
In UV spectroscopy we are taught the effects of polarity on liquid chemistries that may undergo bathochromic red shif, hypochromic blue shift , hypsochromic decrease in absorbance and aborptivity and hyperchromic effects a increase in absorbance or absorptivity. The cause for hyperchromic shifts has one explanation that appears to make sence and that is related to Auxochromic groups or the effect on the chromophore for for a new chromophore with the auxo group that causes both a hyperchromic and bathochromic red shift. Question 1: Does this dual shift in absorbance and wavelength occur in non-liquid sustances like plastics e.g. polypropylene, polyethylene, condensation polymers like PET and Polycarbonate? Question 2: Is there a way to predict level of hyperchromic shift based on the auxochromic group or do we need to know the chromophore? Question 3: Are there known examples of chromophore and Auxochromic groups that provide various molar extinction or absorptivity or absorbance changes in liquids that would help to correlate what may be happening in a solid plastic matrix? (Absorptivity is l/gm-cm)
Definition Definition Polymer formed through the condensation reaction between two functional groups of monomer units. The reaction eliminates small molecules like water, ammonia, alcohol, hydrogen chloride, and a few more to produce a polymer.
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