Brad Prezant

3 Questions 2 Answers 0 Followers

Questions related from Brad Prezant

For teaching purposes, can you help me simulate salting out of methamphetamine using non controlled substances?

To simulate Meth salting out (for training purposes) I need a substance soluble in a non-polar safe non flammable solvent that can be precipitated out with a readily available nontoxic gas bubbled...

17 August 2018 7,278 2 View

I wish to compare four tests, each of which yield a pass/fail option. What type of statistical analysis should I use?

I have four techniques to compare, done side by side on 5 adjacent surfaces (but not the exact same surface as the test "consumes" the surface) in 7 different buildings, all buildings similar....

30 August 2016 8,943 3 View

Has anyone measured bacterial levels in a gym using foam mats?

Many gyms routinely disinfect their mats, but I suspect the problem persists because the mats are not first cleaned to remove particulate. I am interested to know if anyone has investigated this...

14 July 2016 7,918 4 View