Collection of Non Volatile Organic Material

Compounds which are sufficiently volatile that they exist essentially only in the gas phase can be collected on any filter suitable for total particle collection, such as quartz or Teflon filters. Quartz filter are usually used when the determination of total carbonaceous material in addition to the identification of specific compounds is desired. However, if only specific compound identification is desired, the use of Teflon filters avoids the complication associated with the absorption of gas phase material by the filter. However, if the target species include compounds which are reactive or unstable, they may be altered by chemical reactions associated with the sampling process. Examples of potential problems are given in the following sections.

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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