Efficient cleaning coupled with high productivity

Cleaning various items used in ultra-trace analysis work is a critically important laboratory routine. To minimize contamination, traditional cleaning methods require soaking items in hot acids, often for several hours. To be effective large volumes of acid are consumed and need to be changes regularly. There is also a substantial risk of exposure to hot acids and acid vapors using traditional soaking techniques.
To address these issues, Milestone has developed the traceCLEAN, a fully automated, self-contained, acid steam cleaning system for trace metal analysis accessories. The cleaning process with the traceCLEAN takes about an hour, enhancing the overall lab workflow. Digestion vessels, ICP accessories, volumetric fl asks, and other glassware can be cleaned, even multiple times during a day.
  • Versatile
    For all laboratory apparatus, either TFM, glass and quartz parts
  • Fully automated and safe
    No operator exposure to acid vapors.
  • Highly productive
    Fast, convenient, clean, and fully automated.
  • Cost-effective and productive
    No changing of acids or soaking required.
traceCLEAN

“In trace analysis the effects of contamination from laboratory air or furnishings, apparatus, containers, and reagents have become increasingly important, as the sensitivity of analytical methods has lowered detectable limits to the nanogram and picogram level”.

M. Zief, J. W. Mitchell, Contamination Control in Analytical Chemistry

How traceCLEAN Works

Traditional cleaning methods require several hours and occupy valuable space in the fume hood. The traceCLEAN process ensures greater cleaning effi ciency through freshly distilled hot vapours of nitric acid that leach metal contaminants from the items.Place the items to be cleaned in the traceCLEAN, through the rotating design of the holder, which simplifi es the introduction and removal of all items. Select the program or create a new one and press “Start” on the touch screen terminal.

Compare acid steam cleaning to acid leaching

The container to be cleaned is placed over a PTFE coated glass rod. Acid in the lower reservoir is heated, and purified acid vapor travels up through the glass rod and condenses on the container, removing surface contamination. This method of cleaning is a preferred alternative to the soaking preconditioning methods for the following reasons:
  1. The trace metal contamination found in the reagent grade acid remains in the lower reservoir and does not come in contact with the component to be cleaned.
  2. The clean component does not remain in contact with the cleaning acid after the surface contamination is removed.
  3. The critical surfaces of the clean component are dry when the cleaning process is complete. This eliminates the need for rinsing and air drying.
  4. The cleaning process takes place in a sealed container which minimizes airborne contamination and provides a clean environment for the components to be stored until they are needed.
traceCLEAN

Do you know how to reduce the sample prep blank?

Read our book! It explains how a laboratory can reach full control of analytical blanks and sample preparation for obtaining accurate results. The application of instruments and strategies to control sample prep blank is often called a “Clean Chemistry” technique. This book discusses the factors impacting blank quality, in particular when microwave digestion is used, and reviews some Clean Chemistry products and technologies designed to help the analyst generate superior analytical data on their ICP-OES or ICP-MS instrumentation.

Scientific Papers

A very large scientific library based on how to control the analytical blank is now available for your review.
  • What it takes to achieve the low analytical blanks necessary to produce good ICP/ICP-MS data.

    Tim Michael, Don Potter

Scientific Papers

A very large scientific library based on how to control the analytical blank is now available for your review.
  • What it takes to achieve the low analytical blanks necessary to produce good ICP/ICP-MS data.

    Tim Michael, Don Potter

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