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Stereoisomeric olefins, cycloalkanes, etc. which differ in the positions of groups relative to a reference plane: in the cis-isomer the atoms are on the same side, in the trans-isomer they are on opposite sides. An obsolete synonym, for which the usage is strongly discouraged, is geometric isomerism.

4 votes
1 answer
415 views

What is the difference between a 500W high pressure mercury lamp and a 400W high pressure me...

I know that the Wattage of a UV lamp is only one factor in the UV output of a light, and therefore cannot be used as a measure of how powerful a light is. Also it doesnt have any effect on the produce …
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3 votes
1 answer
156 views

How to choose a UV lamp for photoisomerization of 4,4'-azobenzene dicarboxylic acid?

I have prepared a thin film containing 4,4'-azobenzene dicarboxylic acid and I want to study the photoresponsive behaviour of them. For the trans-cis isomeration , I used a 365 nm UV LED with irradiat …
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