At Milestone, We Help Chemists. Milestone has been active since 1988 in the field of advanced microwave sample preparation. With over thirty patents and more than 20,000 instruments installed worldwide covering large and small research institutions, as well as universities and industrial laboratories, we are the acknowledged industry leader in microwave technology. We are committed to providing the scientific and industrial communities with the most effective, safe, productive and highest quality instrumentation for Microwave Digestion, Microwave Extraction, Microwave Assisted Synthesis, Direct Mercury Determination and Microwave Ashing.