Exaxol Ammonium Standard, 1000ppm (NH4)

Ammonium Standard 1,000 ppm (as NH4) by Exaxol, catalog numbers A0073-100 and A0073-500, is an aqueous ammonium standard at 1,000 ppm expressed as NH₄⁺, for calibrating ammonia and ammonium methods. Available in 100 mL and 500 mL from MBP, a registered vendor to many research institutes across the USA.