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Salt (Chlorides) Test

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  • 7-9 business days
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Salt (Chlorides) Test
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Technical data sheet

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Method description

This method determines the percent of chloride in food products or ingredients by indirect potentiometric back titration of the ions. Salt from a sample is extracted in water. Then, in an acidic environment, the chloride is precipitated with a known amount of silver nitrate. The excess silver nitrate is back-titrated with potassium thiocyanate. The percent of salt can be calculated from the percent of chloride.

Acceptable matrices

Foodstuffs and food ingredients

Unacceptable matrices

Psyllium husk, carrageenan

Equipment

Silver/Sulfide Electrode (Automated Titrator)

Method reference

AOAC 915.01, 937.09, 939.10

Reportable unit

% Salt

Sample size requirements

20 grams

Additional information

This method measures the total amount of chloride ion present in a sample and expresses it as percent of sodium chloride. This method assumes that all of the chloride in the sample comes from sodium chloride. All sources of chloride (CaCl or KCl) present in the sample are titrated, but cations present cannot be differentiated.

*Prices and offerings are subject to change without notice.

Common Salt (Chlorides) 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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