MAC-MOD Analytical is a specialty supplier of premium quality HPLC columns and is well known for providing an exceptionally high level of personal service to scientists who use HPLC. We are unique in our dual role of supplier and technical liaison between manufacturers of HPLC columns and end users. Founded in 1986, MAC-MOD is best known for providing sales and technical support for ZORBAX HPLC columns. Now you can expect the best in customer service and support for several high quality brands ...