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Water Holding Capacity Test

  • 77 per analysis
    This test requires a moisture analysis for an additional fee.
    • |
  • 7-9 business days
    • |
  • Rush Available
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Water Holding Capacity Test
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Technical data sheet

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Method description

Samples are weighed into centrifuge tubes, and water or an aqueous solution is added. The tubes are covered, and the sample is dispersed in the liquid by shaking. The dispersion is allowed to equilibrate for 20 minutes with repeated shaking every five minutes. The tubes are centrifuged, the clear liquid is poured off, and the contents of the tube are weighed. The water retained by the sample is calculated from the recorded weights.

Acceptable matrices

This method applies to powders that are insoluble and readily dispersible in water. The method was developed for grain-based products. It can be applied to other powders meeting the criteria listed above.

Unacceptable matrices

Any powders not meeting the criteria listed above.

Equipment

An analytical balance, centrifuge, and centrifuge tubes are required for this method.

Reportable unit

Results are reported in grams water retained per gram of sample.

Sample size requirements

20 grams

Additional information

The solvent used can be water or an aqueous solution of salts, weak acids, or weak bases, depending on the application.

*Prices and offerings are subject to change without notice.

Common Water Holding Capacity Test Testing Questions

While our sales and customer service team are happy to answer general testing questions, consultations typically start at a rate of $250 per 30 minutes regarding the interpretation of reported test results or questions about our test methods. We cannot consult on regulations, tolerance limits, or claims.

We make every effort to keep our methods and detection limits up to date according to the latest standards and qualifications. If you have any questions regarding the limit of detection/quantification or method references, please contact our Customer Service team at 1-800-245-5615.

Our standard turnaround time is 10 business days for most assays. There are some assays that require a longer turnaround time. We also offer a RUSH service that is half the time of the standard turnaround time of the assay at double the cost of the assay. A few assays that we provide cannot be rushed due to the nature of the test. Please check the specific assay you are interested in regarding the ability to RUSH the turnaround time.

Medallion Labs, a division of General Mills, offers multiple areas of expertise for analytical testing and product evaluation for the food and ingredient industry. Our areas of expertise include Chemical Analysis, Nutritional Analysis, Food Safety, Shelf Life Studies, Microbiology, Specialty Fibers, Physical Testing, Allergen Testing, as well as Product Evaluation (which includes Product Performance and Sensory Evaluation) and Technical Consulting/Method Development. Our methods are developed for the testing of food products and ingredients.

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