Dimethylzinc can be diluted with hydrogen in order to provide conceutrations of less than 100%. Using Dimethylzinc in this form can add an additional degree of control to the process, particularly when relatively small amounts of zinc are to be deposited. Dimethylzinc mixtures are prepared as ordered Concentrations other than those listed below are available upon request. All mixture concentrations are guaranteed by weight. CYLINDER CONNECTI0N: CGA-350 DOPING CONCENTRATI0NS can be mixed with UHP balance gases