A-TEEM Fluorescence for Identification and Quantification of Fulvic Acid Adulteration in Commercial Humic Products

A-TEEM fluorescence fingerprints of BHN-1 (FF), ingredients that are known FF adulterants and BHN-1/adulterant mixtures.

The methods to quantify FA only quantify the hydrophobic FA fraction. In addition, while HS are readily available, various adulterants like lignosulfonates, molasses, corn steep liquor and organic acids (e.g. acetic acid) are sold as FA. Hence, there is a need for a quick, accurate and precise method to identify and quantify the FF and adulterants in products sold as FA. This app note demonstrates that the A-TEEM molecular fingerprinting technique can easily distinguish between different. This app note demonstrates that the A-TEEM molecular fingerprinting technique can easily distinguish between different components in mixtures that contain FF and other ingredients considered to be adulterants, including lignosulphonates, organic acids, molasses, and provides a quantitative evaluation of mixtures.

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