Бурение грунтовых зондов, установка энергетических колодцев

There are several tests that can be employed to ensure the qual­ity and purity of fuel grade ethanol and gasoline-ethanol blends. Some are relatively simple field tests while others are more sophis­ticated, requiring laboratory equipment and specialized training. Following is an overview of the more common test methods.

16.1.1 Visual Clarity

Ethanol when viewed in a clear glass container should be clear (clear to very pale straw color) and visibly free of any suspended particles. This is a very simple though somewhat subjective test.

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