Gilman test

The Gilman test is a chemical test for the detection of Grignard reagents and organolithium reagents.[1][2] A 0.5 mL sample is added to a 1% solution of Mischler's ketone in benzene or toluene. To this solution is added 1 mL of water for hydrolysis to take place and then several drops of 0.2% iodine in glacial acetic acid. If the color of the resulting solution becomes a greenish-blue then the original sample did contain the organometallic species.

## References

1. ↑ Henry Gilman and F. Schulze (1925). "A qualitative color test for the Grignard reagent". J. Am. Chem. Soc. 47 (7): 2002–2005. doi:10.1021/ja01684a032.
2. ↑ "Cyclohexylcarbinol". Organic Syntheses. 1941. http://www.orgsyn.org/demo.aspx?prep=cv1p0188. ;  Collective Volume, 1, pp. 188

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