Nanoscale zero valent iron has been a widespread concern in various fields due to its large specific surface area and high reactivity. However. nanoscale zero valent iron (nZVI) is very likely to aggregate and be oxidized. which limit its wide application in industry. https://www.bekindtopets.com/mega-choice-Nutri-Vet-Uri-Ease-Paw-Gel-for-Cats-hot-buy/