Extraction


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Milestone microwave extraction systems

Microwave extraction systems from Milestone can simultaneously process multiple samples in a matter of minutes. Microwave assisted extraction uses closed vessels to heat the extraction solvent above its atmospheric boiling point. The elevated temperature increases the solubility of the analyte of interest and lowers the viscosity of the solvent, allowing it to better penetrate the matrix. Higher temperatures help overcome matrix effects and accelerate the desorption and diffusion of the analyte molecules. This all leads to dramatically reduced extraction times

Features

Microwave extractions completed within minutes - a fraction of the time of traditional methods

Higher analyte recovery than traditional methods

Easily adaptable to existing extraction chemistry with use of both polar and non-polar solvents

Reproducible extractions ensured through precise software based control

Reduced costs due to lower solvent usage and disposal

Faster air cooling of samples for higher throughput

Homogeneous microwave distribution throughout the cavity preventing localised hot and cold spots

The new EasyCONTROL software is the most advanced and powerful operating system in the field of microwave sample preparation.Automatic, real-time monitoring and feedback-based control of multiple parameters offers unsurpassed process control. Simply recall a factory stored program or create a new one. Press 'Start', and the system will automatically follow the defined temperature or pressure profile, utilising a sophisticated PID algorithm

Flexible applications




	Polymers




		Environmental




		Pharmaceutical




		Oils

Microwave assisted extraction uses less solvent and is accomplished in a much reduced time:

PAHs and pesticides in soil samples	EPA 3540 (Soxhlet)		START E
	Time required	Solvent consumed	Time required	Solvent consumed
	13,167 hours	450 L	257 hours	16 L
	Comparison study for processing 1.000 samples

H. M. Kingston et al., 'Microwave Assisted Organic Extraction and Evaporation: an Integrated Approach'. LCGC, Vol. 20, 2002

	Time required Soxhlet	Time required START E
Additives from polymers	3 to 16 hours	20 minutes
Fat from meat	16 hours	25 minutes
Impurities in food dye	20 hours	1 hour


Milestone application notes