Thermo Fisher will buy Dionex in $2.1B deal

NEW YORK (AP) — Thermo Fisher Scientific Inc. says it will buy laboratory equipment maker Dionex Corp. for $2.1 billion.

The Waltham, Massachusetts-based scientific instrument maker says the deal will expand its business in the Asia-Pacific region and help it do more business in industries such as environmental analysis and food safety.

It says the deal will …