What is a Grab Sampling System
What is Grab Sampling?
Grab sampling, also known as lab sampling or spot sampling, is the collecting of a sample of liquid or gas in a pipeline, tank, or system with the intent of transporting the sample to a laboratory for analysis.
Why Use a Grab Sampling System?
Grab sampling can validate:
- process conditions
- end products meet quality specifications
- online analyzers are “fit for use”
- product quality during custody transfer
It can also provide verification of environmental emissions. In all of these uses, capturing a representative sample is essential. However, placing a captured sample into an open bottle for transport back to the lab may not provide a representative sample. Some chemicals will evaporate or fractionate if not maintained under pressure.
As more industries bring additional analytical equipment online, it becomes more imperative to have quality sample systems that can accurately capture the process for later analysis.
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