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Price of the test:

$50 per analysis

Limit of Detection:

0.06% Chloride

Sample Size Requirements:

Please provide at least 20g of sample to ensure a result representative of the product submitted.


Metrohm Titrator equipped with Silver/Sulfide electrode

Reportable Units:

% chloride

Turn Around Time:

10 Business Days

Is Rush Available?


Method Reference:

AOAC 915.01 - Chloride in Plants; AOAC 937.09 - Salt in Seafood, AOAC 939.10, Sodium Chloride in Canned Vegetables

Method Description:

This method determines the percent of chloride in food products or ingredients by potentiometric back titration of the silver ions after reaction between silver and chloride ions are complete.. Salt from a sample is extracted in water. Then, in an acidic environment, the chloride is precipitated with a known amount of excess silver nitrate. The excess silver nitrate is back-titrated with potassium thiocyanate.

Information Required by Submitter:

High fat/oil and high sugar samples should be noted.

Additional Information:

This method determines the total amount of chloride ion present in a sample by indirect potentiometric back titration of the ions. The total amount of chloride ion is then expressed as a percentage of the total sample. All sources of chloride present in the sample are accounted for in the final result.

The percent salt can be calculated from the % chloride. Please note that all chlorides in the sample will be calculated as sodium chloride if salt is requested.