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The next generation microwave digestion system

The ultraCLAVE shares Single Reaction Chamber (SRC) technology with the ultraWAVE (link), offering all the same great benefits, speed, quality of results, reproducibility, and no pollution of the laboratory or environment, while overcoming the restrictions of traditional microwave digestion systems.
At its heart a larger reaction chamber can accommodate up to 40 samples in 20 mL disposable glass vials and it is pre-pressurized with inert gas and then heated by microwaves. The pressurized chamber serves simultaneously as the microwave cavity and the reaction vessel.
Chemists can digest large sample masses, large batches of mixed sample types, and even the toughest sample matrices requiring sustained high temperatures. Cross-contamination is non-existent and extremely high throughput can be achieved. Finally, reduced acid usage, consumables, and need for labor provide long-term cost savings.
  • Highest sample amount
  • Highest sample throughput
  • Highest temperature and pressure
  • Same conditions for all samples
  • Minimal required labor and lowest running cost
  • Full automation and documentation

Books

Books

Milestone Books

Readable texts for practical analysts and for everyone interested in the evolution of sample preparation strategies.

Getting ready for USP 232 and 233

Microwave-Assisted Sample Preparation and Determination of Elemental Impurities in Pharmaceutical Products

Automatic operations with the unique ultraCLAVE technology

The patented Milestone ultraCLAVE achieves extraordinary performance capabilities by combining direct microwave heating in a high pressure reactor, which acts simultaneously as microwave cavity and vessel. Microwave energy is introduced into the reactor through a unique microwave port. This focused-multimode cavity design ensures maximum sample heating efficiency. Heat generated in the reactor is removed by a re-circulating cooling system, and the stainless steel vessel remains at approximately room temperature throughout the entire heating cycle.
The ultraCLAVE is designed for simplicity of use. Loading a rack of samples into the chamber is the only manual operation required. The reaction chamber is sealed, pressurized, heated, cooled, vented, and opened all under computer control.
The system dramatically reduces the labor compared to conventional microwave systems.
ultraCLAVE unit

Automatic operation

1

Rack loading

2

Closing

3

Pressurization

4

MW heating

5

Cooling and Depressurization

6

Opening

Wide choice of digestion vessels

Several standard racks are designed to hold 6 to 77 individual sample containers made of glass, quartz, or TFM. Moreover, with the ultraCLAVE it is possible to process a single, very large sample in a TFM liner fitted to the entire reaction chamber. The individual sample vessels are much simpler in design than in conventional microwave vessel assemblies, ensuring long-term cost savings.
ultraWAVE digestion vessels
ultraWAVE digestion vessels
ultraWAVE digestion vessels

Applications for the highest digestion quality

Many dissimilar samples and chemistries can be combined in a single run in the ultraCLAVE.
Chemists can digest large batches of mixed sample types and even certified reference materials can be processed along with unknown samples for method validation.

What our Clients say

  • We have a wide range of different samples, some of them very challenging. We needed high pressure and temperature capabilities, while assuring the maximum safety for operators.

    Faculty of Environmental Sciences and Natural Resource Management (MINA) of Norwegian University of Life Sciences

    Read more

What our Clients say

  • We have a wide range of different samples, some of them very challenging. We needed high pressure and temperature capabilities, while assuring the maximum safety for operators.

    Faculty of Environmental Sciences and Natural Resource Management (MINA) of Norwegian University of Life Sciences

    Read more

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