Doesn't matter, there's no method that works. You need to wait it out.
In some laboratory test/experiments, impurities and barium can be removed from a material through use of activated charcoal.
The depends on the use of the grill. Cleaning and maintenceis is easier with propane but some people perfer the taste of the charcoal better. If you plan and taking you bbq with you camping charcoal will be better as some camp site do not allow for propane.
It is not good because it binds to the compound, and it will cause sample loss.
To make a patient feel better.
No just use charcoal its inexpensive and works much better.
Charcoal grills might be slightly more difficult to use, but they provide many benefits. Charcoal generates more heat than does gas, so a charcoal grills can get hotter. This gives the chef more options. Charcoal also gives meat a better, smokier flavor that many people prefer. Charcoal grills are also cheaper than gas grills, though they require more supplies.
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Use it the same as you use ordinary charcoal. The mesquite chips in the charcoal gives the meat a smoky mesquite flavor.
None of them. One way would be to use a distillation apparatus.
You could use finger spray but don't use charcoal dust
Animal Charcoal
The type of coals you use are up to you. Many people like coals that are "quick ignite" which means they don't require lighter fluid.