And in another PDF:
"Base: 0.36% colloidal silver" ... "Appearance/color: liquid, dark brown Odor: none pH: 7 Emulation point: 201.2 F Solubility in water: extremely soluble Vapor pressure: N/A Evaporation rate: N/A" ... "One drop of nutrasilver per liter of water contains only 0.090mg of silver" (this is inconsistent with 3,600PPM. He may have had a different product back then though)
