This page contains resources we used to help us throughout this process, we may also upload some tutorials that we will make ourselves.
This video shows how to test a sample for soap content, which is useful to see how much soap the washes cleaned out (assuming you know the original soap content)
This video demonstrates the 3/27 test, which tests for FFAs. This test can show if you removed FFAs from the biofuel by testing a raw sample and then a washed sample and comparing the two (although these results are qualitative).
