“In the preparation of high purity reagents, there is only one significant and practical
choice for the method of purification: sub-boiling distillation"
US EPA SW-846, Chapter 3, Update IVB.
Why sub-boiling technology?
The chemical reagents used during the analysis
are an important source of the analytical blank.
Sub-boiling distillation has been demonstrated to be
the best method of acid purification. It uses contactless
infrared lamps to vaporize the surface liquid at
a temperature typically 20°C below the boiling point.
In contrast to conventional distillation, where strong
boiling action generating aerosolized particles results in
contamination of the original liquid with the distillate,
a gentle surface evaporation during sub-boiling
distillation prevents the formation of spray or droplets and yields to a very high pure acid.
duoPUR Quartz sub-boiling system
The duoPUR consists of two quartz distillation units.
Each unit contains two infrared heating elements (1), a
water cooled condenser (2), a high-purity PFA collection
bottle (3), and a fully automatic acid loading/discharge
system. The vaporized liquid is collected on the inclined
water-cooled condenser and drips into the collection
bottle. The distillation process is microprocessor
controlled, allowing the user to set the distillation time
and power level by using a compact control terminal with
easy-to-read, bright, full-color, touch-screen display.
The distillation rate ranges from 50 to 400 mL per hour,
depending on the power setting and the temperature of
the cooling water.
How Much Will Sub-Boiling Distillation Save You Each Month?
Connect with us
Contact us directly by phoning at +39 035.573857
or discover your National Representative to get local support.
or discover your National Representative to get local support.
Milestone Srl
Via Fatebenefratelli 1/5 - 24010 Sorisole (BG) - Italy
Phone: +39 035.573857 | Fax: +39 035.575498
Via Fatebenefratelli 1/5 - 24010 Sorisole (BG) - Italy
Phone: +39 035.573857 | Fax: +39 035.575498
Milestone Srl
Via Fatebenefratelli 1/5 - 24010 Sorisole (BG) - Italy
Phone: +39 035.573857 | Fax: +39 035.575498
Via Fatebenefratelli 1/5 - 24010 Sorisole (BG) - Italy
Phone: +39 035.573857 | Fax: +39 035.575498