Exaxol Nitrogen Standard, 100ppm (Source NH3)

Ammonia-Nitrogen Standard 100 ppm by Exaxol, catalog numbers N5414-100 and N5414-500, is an aqueous ammonia-nitrogen standard at 100 ppm as N, used to prepare calibration and check standards. Available in 100 mL and 500 mL from MBP, a registered vendor to many research institutes across the USA.