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User:Oskykins/Responsible use: Difference between revisions
>Oskykins Created page with "*Rename "responsible drug use"? They argue that drug users must understand and educate themselves on the effects and legal status of the drug they are taking, measure accurat..." |
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*https://en.wikipedia.org/wiki/Pill_testing | *https://en.wikipedia.org/wiki/Pill_testing | ||
==Scales== | |||
*I wouldn't trust them for measuring literal milligrams. At lowest I'd trust them to 10mg. Simply breathing on them when the enclosure is open can send them off +/- 30mg. Vibrations on the bench can throw them off. Centrifuging on the high-speed machine across the room is noticeable. | |||
*Simple things like make sure there are no windows open, a steadys solid surface, place an extra weight and then add your substance, etc. | |||
*The weight and the substance need to be together on the scale. So: | |||
**Empty scale | |||
**Mark it zero | |||
**Add weight and note the result | |||
**Add substance and note the result | |||
**Calculate delta mass | |||
*Use the scale to get as close as you can and dissolve it in a good amount of solvent. The error in the initial weighing will be distributed between each dose you draw from the solution. This is the safest and most effective method. Never try to weigh milligrams. | |||
*Basically if you're looking to accurately measure to the 1mg range, you going to have to spend thousands for a great scale. Anything below that you will be getting a strain-gauge based scale, which really can't guarantee readings accurate to 1mg. | |||