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What is the principle of determination of formaldehyde in food packaging bag materials?

What is the principle of determination of formaldehyde in food packaging bag materials? Let’s talk about the principle of formaldehyde in food packaging bag materials. In the sodium acetate bottom solution of pH 5.0, formaldehyde in food packaging bag materials reacts with hydrazine sulfate to form protonated aldehyde hydrazone products, which produce sensitive aldehyde hydrazone products at the potential of -1.04V. Adsorption reduction wave, the peak height of the current and the concentration of formaldehyde in a certain range showed a good linear relationship. The peak height of the sample was quantitatively compared with the peak height of the formaldehyde standard curve. This is the principle of determination of formaldehyde in food packaging bag materials. More food packaging bag knowledge: www.yltpacking.com Customized packaging bags,

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