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Lab testing for reasonable price and security

TheVacuumGuy

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Much recommended (by me)
 

finch3523

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any tests for determining ratio of dex and levo for meth?
 

Osmosis Vanderwaal

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You can donitnyourselfmwith 2 hourmof online education and <$10 for polarized film from amazon. A polarimeter is the device that measures optical rotation which is what you are asking about. You can measure and calculate it fairly easily,mthe $10 trickmwill only give you a rough idea, a polaremeter is a vernier mesuring device, so it measures minutes of an angle, andnalong with the temperature, the mole count of the solution andnthe length of the column a formua is calculated that will tell you the optical rotation. The $10 trick will tell you if its racemic, if its predominantly R or S, or roughly what the enamtiomericity is
 
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