Guaranteed Purity For Colloidal Silver

All of our silver comes Guaranteed for purity. While there are many uses for high-purity fine silver, the one product that is of utmost importance for purity verification is Colloidal Silver. With 3rd-party testing, we guarantee the manufacturing mills claim for the amount of silver that comprises your finished product.  Golden State Silver's available testing procedures include Fischerscope® X-ray fluorescence (XRF) spectrometry, ICP-OES and fire assay, atomic absorption, potentiometric titration, gravimetric analysis, and Glow Discharge Mass Spectrometry (GDMS; which has proven to be one of the most advanced testing procedures for trace amounts of impurities).