Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...
The portable oil-in-water tester eracheck X is simple to use and produces results in 5 minutes. eracheck X complies with the most recent IR oil-in-water standard, ASTM D8193, which measures TOG, TPH, ...
Summer means salads. And salads are even more delicious with a good dressing. Most salad dressings are temporarily stable mixtures of oil and water known as emulsions. But how do salad dressing ...
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