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Discovery SA

Discovery SA
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Discovery SA

Product catalog summary
Overview
The Discovery SA Dynamic Vapor Sorption Analyzer is a high-performance instrument designed for accurate sorption analysis. It is engineered for enhanced productivity, accuracy, and ease of use, suitable for small material quantities and hydrophobic samples.
Specifications
The analyzer features a symmetric microbalance and advanced humidity chamber design, offering stable baselines and high weighing resolution. It provides a humidity control range from 0% RH to 98% RH and temperature control from 5°C to 85°C.
Productivity & Reliability
Equipped with an autosampler and humidifier autofill pump, the Discovery SA allows programming of experimental queues for up to 25 samples, ensuring continuous operation without user intervention.
Ease of Use & Compliance
The instrument includes an app-style touchscreen and TRIOS software compliant with 21 CFR Part 11, supporting real-time data analysis and report generation.
Weighing Performance
The Tru-Mass™ balance system offers a weighing resolution of 0.01 µg over a 1000 mg range, ensuring accurate sorption data for challenging samples.
Humidity Control
Precise humidity control is achieved using mass flow controllers and RH sensors, ensuring accurate and reproducible conditions for sorption analysis.
Automation Features
The autosampler allows automated analysis of multiple samples, with options for different sample pans, enhancing reliability and productivity.
Software Capabilities
TRIOS software offers comprehensive data analysis tools, including sorption isotherm plotting and advanced sorption models, supporting compliance in regulated environments.
Sorption Isotherm Models
TRIOS offers five isotherm models: Henry, Langmuir, BET, GAB, and DLP, each with specific parameters for evaluating material properties.
Experimental Procedures
Sorption analysis involves measuring sample weight under controlled temperature and humidity, with setups for isothermal and iso-humidity experiments.
Applications in Pharmaceuticals
Understanding water sorption in pharmaceuticals is crucial for drug efficacy and stability, affecting hygroscopicity, phase changes, and hydrate formation.
Applications in Polymers
Water absorption impacts polymers, especially in electronics and fuel-cell membranes, necessitating gravimetric vapor sorption measurements.
Key Data and Analysis
Plots and tables illustrate the effects of relative humidity and temperature on material weight changes, analyzed using different isotherm models.
Water Permeation in Packaging Polymer Films
Water permeation begins with moisture absorption. Film A absorbs and desorbs moisture faster than Film B, making it less suitable for moisture-sensitive packaging.
Assessing Hygroscopicity of Natural Polymers
Microcrystalline cellulose (MCC) is evaluated for moisture sorption capacity, with a specific surface area of 166 m²/g calculated using the GAB model.
Applications in Food Industry
Moisture content affects food texture and shelf life. Controlled moisture sorption is crucial for maintaining food quality, as seen in corn flakes.
Assessing Hygroscopicity of Corn Starch
Corn starch's type II sorption isotherm indicates its hygroscopic properties, used in food products and packaging materials.
Applications in Construction Materials and Adsorbents
Moisture absorption affects building materials' durability and indoor air quality. Water vapor sorption isotherms are essential for analyzing material hygroscopicity.
Assessing Water Sorption in Wood
Wood's structural properties vary with water content, with vapor sorption measurements helping analyze its suitability for construction.
Water Adsorption on Hydrophilic and Hydrophobic Adsorbents
Zeolites and activated carbons have distinct adsorption properties, affecting their industrial applications.
TA Instruments and Specifications
TA Instruments offers tools like the Discovery TGA and IsoSORP SA for precise measurements of thermal and mechanical properties.
Technology Specifications
Detailed specifications for dynamic weighing range, humidity control, and sample pans highlight the instruments' precision and capabilities.
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Catalog excerpts

Discovery SA-1

Waters™ DISCOVERY SA DYNAMIC VAPOR SORPTION ANALYZER

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Discovery SA-2

High Performance Dynamic Vapor Sorption Highest Productivity Best Accuracy Widest Humidity Controlling Range

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Discovery SA-3

DISCOVERY SA DVS - DYNAMIC VAPOR SORPTION TA Instruments invites you to experience the world’s most productive Dynamic Vapor Sorption (DVS) Analyzer, the Discovery SA. Discover the advanced engineering and attention to detail that provides enhancements in every aspect of DVS technology and a new level of user experience. With industry-leading performance, exceptionally wide humidity control range and ease of use, the Discovery SA meets your needs and exceeds your expectations. Symmetric Microbalance Accuracy for Best Sorption Data Autosampler and humidifier autofill pump allow for The App-style...

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Discovery SA-4

Low DRIFT High CAPACITY Most ACCURATE DATA DISCOVERY SA WEIGHING PERFORMANCE At the core of every new Discovery SA is the proprietary Tru-Mass™ Balance. The Tru-Mass Balance system is actively temperature controlled for high sensitivity in every laboratory environment, delivers the highest resolution to accurately measure humidity sorption on the most challenging samples, and has ultra-low drift (Tru-Mass) for weight accuracy. Compared to competitive devices, the Discovery SA delivers higher weighing resolution and better baseline stability at all operating conditions. This guarantees industry...

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Discovery SA-5

SOPHISTICATED TECHNOLOGY Providing ACCURATE AND REPRODUCIBLE HUMIDITY CONTROL TECHNOLOGY WIDEST HUMIDITY CONTROL RANGE Precise Wide-Range Humidity Control for Reliable Sorption Analysis The precise humidity control of the Discovery SA in combination with its industry leading weighing performance allows you to measure, analyze and optimize the water sorption properties of your sample material. Evaluating the sorption properties of advanced materials requires accurate control of Microcrystalline cellulose (MCC) is a material with well characterized humidity sorption the humidity from completely...

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Discovery SA-6

TECHNOLOGY RELIABLE AUTOMATION BOOSTS PRODUCTIVITY AUTOMATION facilitates laboratory WORKFLOWS and increases RELIABILITY Improved Productivity in Sorption Analysis The integral Discovery SA autosampler features a programmable multi-position sample carousel that permits automated analysis of up to 10 samples using semispherical quartz (or metalcoated quartz) crucibles and 25 samples using the optional tray with platinum or sealed aluminum pans. The design provides smooth and efficient loading and unloading of the sample The Right Sample Pan for your Sample Material pan without disturbing the balance....

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Discovery SA-7

TECHNOLOGY “APP” STYLE TOUCH SCREEN Touch Screen Features and Benefits: • Ergonomic design for easy viewing and operation • Packed with functionality to simplify operation and enhance user experience. The touch screen includes: • Start/stop runs • Test and instrument status • Real-time signals • Real-time plot • Active method viewing • Advance method segments • Autosampler calibration • Loading/unloading and taring pans • System information The app-style touch screen, powerful new TRIOS software and the robust, reliable autosampler with automated calibration and verification routines all work...

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Discovery SA-8

TECHNOLOGY TRIOS SOFTWARE Discover powerful TRIOS software that delivers exceptional user experience in a combined package for instrument control, data analysis, and reporting for thermal analysis and rheology. New features such as multiple calibration sets, real-time test method editing, and inter-laboratory data and test method sharing provide unmatched flexibility, while one-click analysis and custom reporting raise productivity to new levels. Complete Data Analysis Capabilities TRIOS Features: • Control multiple instruments with a single PC and software package • Overlay and compare results...

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Discovery SA-9

TECHNOLOGY TRIOS SOFTWARE TRIOS GUARDIAN CFR 21 PART 11 COMPLIANT SOFTWARE FOR REGULATED LABORATORIES Sorption Isotherm Modeling TRIOS is the only software covering the entire workflow from instrument control, data Trios Guradian is a fully integrated solution providing CFR 21 Part 11 compliance. It uses the standard file system and does evaluation, modeling of the experimental data with a choice of different isotherm not require maintenance intensive and costly third-party database, hardware, or software. Guardian is designed primarily models and report generation. Experimental sorption isotherm...

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Discovery SA-10

TECHNOLOGY MEASURING PRACTICE Sorption Analysis – Experimental Procedures Sorption Analysis – Isotherm and Isohume Plots Sorption analysis quantifies the interaction of a sample material with humidity. For sorption analysis, the weight of the sample material is measured under controlled temperature (T) and The weight of the sample material is recorded while T and RH are controlled. In the example below, a step change of RH or T initiates a weight change of the sample material. The relative humidity (RH) conditions. One of these properties - T or RH - is held constant while the other is changed...

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Discovery SA-11

APPLICATIONS PHARMACEUTICALS Assessing Amorphous - Crystalline Phase Changes Water or moisture is commonly found in pharmaceutical products. Water uptake by a drug substance is an inherent property. Raw materials material usually absorbs more water if it is in an amorphous state compared to the or pharmaceutical products are exposed to water vapor during processing and storage. The efficacy and tolerability of drugs can be crystalline structure. Water sorption can lower the glass transition temperature significantly altered significantly by the effect of moisture on the active pharmaceutical...

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Discovery SA-12

APPLICATIONS POLYMERS Assessing Water Sorption of Fuel-Cell Membranes Improvements in electrochemical conversion of water have been achieved through the development of new proton exchange membrane materials (PEM). Conversion of hydrogen Weight Change (%) and oxygen into water in fuel cells relies on a PEM. The same is true for the conversion of water to hydrogen and oxygen in electrolysers. In both, the PEMs form the heart of the Polymeric materials are applied widely in manufacturing of consumer products and as electrochemical cells and understanding the mechanisms of their degradation allows...

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