What are differences among your products (Nanofer 25S / Nanofer 25 / Nanofer 25N)?

NANOFER 25N is a dry nano-powder Fe(0) kept under protective atmosphere of nitrogen (N=Nitrogen), from which NANOFER 25 a NANOFER 25S as an aqueous dispersion is coming out. NANOFER 25S (compare to NANOFER 25) is stabilized by a biodegradable organic modifier. For more info see Products.