Description
Sodium Azide, 0.5 Percent (w/v) Aqueous Solution, For Chromium, APHA, is an inorganic aqueous solution of sodium azide that is utilized in the analytical determination of chromium metal and salts in water and waste water samples. As an APHA certified solution, this item is meets the ASTM D1209 standards and can be used in water and waste water treatment facilities to determine the concentration of dissolved and particulate materials.