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Titratable Acidity Test

  • 59 per analysis
  • |
  • 7-9 Business Days
  • |
  • Rush Available
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Technical data sheet

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Method description

The sample is diluted in water and an aliquot of the sample is titrated with standardized sodium hydroxide to an endpoint of pH 8.30. The results are reported as percent citric unless requested as acetic, malic, lactic, benzoic, or propionic.

Acceptable matrices

Nearly all foods and food products

Unacceptable matrices

Rennet casein due to solubility issues

Equipment

Metrohm titrator 799 GPT Titrino, Orion Ross Sure Flow Electrode

Method reference

AOAC 942.15, 962.12, 984.24

Reportable unit

%

Sample size requirements

20 grams

Information required by submitter

Please indicate what acid type is present in your sample: citric, acetic, malic, lactic, benzoic, or propionic.

*Prices and offerings are subject to change without notice.

Common Titratable Acidity 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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Medallion Labs

A food testing program designed with mid-market and enterprise food and ingredient manufacturers in mind.