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Home / Dynamic Vapor Sorption (DVS) Analysis / Applications for Dynamic Vapor Sorption / DVS Add-ons

Add-ons: DVS analysis in combination with additional sensors

Additional sensors, such as a camera or Raman probe in combination with dynamic water vapor sorption analysis, provide deeper insights into moisture-related material changes. The additional components can be easily attached to the ProUmid devices using specially developed sensor mounts. The complete integration of the sensors into the SPS software enables convenient measurement and evaluation of the results. With the help of the camera system, it is possible to directly observe color changes, the occurrence of deliquescence and moisture-dependent expansion or shrinkage of a material. Typical applications of Raman spectroscopy are the investigation of moisture-induced crystallization, hydrate formation and the analysis of polymorphic forms. The combination of DVS analyses with additional sensor components thus not only enables an accurate and reliable investigation of the material-moisture interaction, but also a more detailed understanding of the resulting changes in the material.

Application notes

dvs-raman-combination

DVS in combination with in-line Raman measurements

Dynamic water vapor sorption analysis in combination with Raman spectroscopy is an optimal solution to investigate and explain moisture-induced changes in materials in more detail. This White Paper explains the principle of the measurement setup and the combined analysis using the examples of crystallization, hydrate formation and deliquescence.

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Literature on combining ProUmid DVS devices with additional sensors

Sebastiaan Godts, at al. “Modeled versus Experimental Salt Mixture Behavior under Variable Humidity.” ACS Omega 9,18, 20454-20466, 2024. DOI

Jan T Benthien, et al. “Specific Dimensional Change Behavior of Laminated Beech Veneer Lumber (BauBuche) in Terms of Moisture Absorption and Desorption.” Fibers 8(7), 47, 2020. DOI

Martin Nopens, et al. “Simultaneous change of wood mass and dimension caused by moisture dynamics.” Scientific Reports 9, 10309, 2019. DOI

Martin Philipp Feth, et al. “New technology for the investigation of water vapor sorption–induced crystallographic form transformations of chemical compounds: a water vapor sorption gravimetry–dispersive raman spectroscopy coupling.” Journal of pharmaceutical sciences 100, 1080-1092, 2011. DOI

Related products

Video Camera
Camera system
Raman Option
Raman Probe

Further reading

  • Discover more DVS applications examples
  • Learn more about the Dynamic Vapor Sorption (DVS) method

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    DVS Product Advisor

    Step 1: Select temperature range

    Step 2: Select additional sensors

    Step 3: Select additional measurement methods

    Step 4: Select instrument by sample size, sample sorption capacity or the type of application.

    If you can tell us about the samples you want to analyze, the available sample quantity, the sample hygroscopicity or your area of application, we can give you a recommendation for the device that meets your requirements best.

    Step 5: What is the average sample quantity available and/or how hygroscopic are the samples?

    Tiny: <10mg, very low hygroscopicity
    Small: >10mg, low hygroscopity
    Medium: >100mg, moderate hygroscopicity
    Large: >500mg, abundant hygroscopicity

    Step 5: Which field of application is most likely to apply to your samples?

    A: Pharmaceutical pre-formulation
    B: Pharma, Food, Fine Chemicals, Cosmetics, Material characterization, Polymers, Electronics, Fibres, Paper, Wood Analytics, Textiles
    C: Building Materials (concrete, wood, insulation), Fertilizer, Permeability and Packaging testing

    Recommended Instrument(s):

    Additonal sample trays such as the Permeability kit and the requirement for tiny samples do not match. Try to deselect the additonal sample tray or to increase the sample size.

    Additonal sample trays such as the Permeability kit and the application pharmaceutical pre-formulation do not match. Try dp deselect the additonal sample tray or to select a different field of application.

    Outside view of the product SPS23-100n

    SPS23-100n

    The SPS23-100n is a highly sensitive system with a gravimetric resolution of 100 nanogram. It is designed for applications where only very small quantities of sample material are available like in pharmaceutical preformulation. Read more about the SPS23-100n...

    vapor sorption analyzer - SPS - glass lid open

    SPSx-1µ-Advance

    The SPSx-1µ Advance model shows best weighing peformance and a very high reproducibility of better than ±2µg at a gravimetric resolution of 1µg. Small and medium sized samples are measured at extremely high resolution over the full load range from 10mg up to 22g. Read more about the SPSx-1µ-Advance...

    vapor sorption analyzer - SPS - glass lid open

    SPSx-1µ-High-Load

    With its dual weight range, the SPSx-1µ High Load enables to analyze small samples at a very high resolution of 1µg (±5µg reproducibility) as well as samples heavier than 22g at a resolution of 10µg. In combination with the largest number of samples that can be measured simultaneously this system is the most versatile vapor sorption analyzer on the market. Read more about the SPSx-1µ-High-Load...

    Vapor Sorption Analyzer – SPS – Big Sample Pans

    SPS11-10µ

    The SPS11-10µ system is a robust and easy to operate multisample vapor sorption analyzer. With the large load range of the balance, the system is perfectly suited for the analysis of bulky or heavy samples and for permeability measurements. Typical fields of application are fertilizer, building materials and packaging material. Read more about the SPS11-10µ...

    Moisture Sorption Analyser - Vsorp

    Vsorp Enhanced

    The Vsorp Enhanced combines very high resolution of 1µg for small and medium samples up to 22g sample mass and 10µg for samples up to 220g sample mass. In combination with the 23 available sample positions, the Vsorp Enhanced is a powerful and versatile moisture sorption analyzer. Read more about the Vsorp Enhanced...

    Moisture Sorption Analyser - Vsorp

    Vsorp Plus

    The Vsorp Plus accomodates small and medium samples at a gravimetric resolution of 10µg for samples up to 220g sample mass. Additional samples trays such as for permeability measurements make this system a versatile moisture sorption instrument. Read more about the Vsorp Plus...

    Moisture Sorption Analyser Vsorp - 5 sample carousel

    Vsorp Basic

    The Vsorp Basic is a very robust and easy to operate multisample moisture sorption analyzer. With the huge load range of the balance and the large sample dishes, it accomodates even the biggest bulky or heavy samples. Typical fields of application fertilizer as well as building materials. Read more about the Vsorp Basic...

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      Water Vapour Sorption Analyzer SPS
      SPS11-10µSPSx-1µ High LoadSPSx-1µ AdvanceSPS23-100n

      Moisture Sorption Analyzer Vsorp
      Vsorp BasicVsorp PlusVsorp Enhanced

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      Reference Material for Humidity Validation

      Optional Software Packages
      DVS Analysis Software
      21 CFR Part 11 compliant software package

      Humidity Generator MHG32
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      Humidity Generator MHG100
      MHG100

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        item no.

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        sample dishes 18 mm

        box (100 pieces)

        100914

        sample dishes 33 mm

        box (100 pieces)

        100486

        sample dishes 50 mm

        box (100 pieces)

        100916

        sample dishes 86 mm

        box (100 pieces)

        101655

        distance pieces

        set (12 pieces)

        101867

        mesh cover 50 mm

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        101596

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        100485

        secondary sample dishes 38 mm

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        100910

        sample carousel 5 sample positions

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        100908

        sample carousel 11 sample positions

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        100909

        sample carousel 23 sample positions

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          Please send me the following Application Note / White paper

          Application Notes

          Food

          AN_20-01 Amorphous lactose in food
          AN_20-02 Amorphous fractions in sucrose and sucrose containing model food systems
          AN_20-03 Deliquescence and deliquescence lowering of food ingredients and blends
          AN_20-04 Dehydration behavior of bread crumb and crust

          Pharma

          AN_20-05 Amorphous lactose in the pharmaceutical industry
          AN_20-06 Hydrate formation of L-lysine HCl
          AN_20-09 Hydrate formation of creatine

          Building materials

          AN_20-07 Water vapor sorption of plaster
          AN_24-02 Water Vapor Permeability of Barrier Foils

          Permeability of Packaging material and Foils

          AN_12-01 Water vapor permeability of films
          AN_15-01 Water vapor sorption of product packages
          AN_24-01 Inverted-Wet-Cup: Water vapor permeability of packaging materials

          DVS Basics

          AN_17-01 Speed-vs-Accuracy
          AN_18-01 Humidity sensor calibration
          AN_18-02 MCC Reference-Certification
          AN_18-03 MCC Reference-Humidity Validation

          PowderConditioner: Moisture Equilibration

          AN_25-01 Powder Conditioner: Moisture Equilibration of Powders

          White Papers

          Universal

          WP_20-01 Amorphous content lactose

          Food

          WP_20-02 Amorphous fractions in sucrose and sucrose containing model food systems
          WP_20-03 Deliquescence and deliquescence lowering of food ingredients and blends

          Pharma

          WP_20-06 Hydrate formation of L-lysine HCl

          Permeability of Packaging material and Foils

          WP_24-03 Shelf-life calculation of dry food products

          DVS Basics

          WP_21-01 Moisture Sorption Isotherms

          DVS- Add ons
          WP_24-04 DVS in combination with in-line Raman measurements

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