E. Merck Company

E. Merck, Company brochure Dyeing Reagents for Thin Layer and I per Chromatography , Darmstadt 1980. 

E. MERCK Company literature Wasse/feste, wasserbenetzbare DC-Fertigschichten Kiesel-gel 60 W , Darmstadt 1985. 

We thank the Baron, J. T. Baker, Camag, Desaga, Macherey-Nagel and E. Merck companies for their generous support of the experimental work. 

Magnesium turnings were purchased from E. Merck Company, Inc., Darmstadt, Germany or J. T. Baker Chemical Company. 

The absence of water in the lithium bromide is of great importance. Traces of wrater lower the yield of product by 10-20%. LiBr-2 H20 (purchased from E. Merck Company, Inc., Darmstadt or City Chemical Corporation) was dissolved three times in anhydrous acetonitrile-benzene (1 1), and the solvents removed each time on a rotary evaporator. The lithium bromide was dried under high vacuum at 100° for 1 hour, ground to a fine powder with a mortar and pestle while still warm, and again dried at 100°, as above, for 3 hours. 

E. Merck, Company brochure "Dyeing Reagents for Thin-layer and Paper Chromato-j... 

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