Cistrans Pentanediene

In this example the cis and trans isomers of pen-tanediene with a purity greater than 99% needed to be recovered from a crude mixture (Figure 2). The preparative chromatogram and operating conditions are shown in Figure 2. One of the features of preparative chromatography compared to analytical chromatography can be seen: for productivity reasons, the column is overloaded and the peaks are not completely resolved. In spite of this, the high level of purity obtained for both isomers (99.8%) is a common feature of preparative GC.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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