Merck Ammonium-test method: reflectometry with test rods and reagent, 50 tests, 20 - 180 mg/l NH4? Reflectoquant

Please take note of the Safety Data Sheet http://www.merckmillipore.com/INTERSHOP/web/WFS/Merck-INTL-Site/en_US/-/USD/ShowDocument-File?ProductSKU=MDA_CHEM-116977&DocumentType=MSD&Language=EN&Country=GB