Ammonium Cell Test, photometric

Ammonium Cell Test, photometric, photometric, 4.0-80.0 mg/L (NH₄-N), 5.2-103.0 mg/L (NH₄⁺), Spectroquant^®

Ammonium Cell Test, photometric, photometric, 0.20-8.00 mg/L (NH₄-N), 0.26-10.30 mg/L (NH₄⁺), Spectroquant^®

Ammonium Cell Test, photometric, photometric, 0.010-2.000 mg/L (NH₄-N), 0.013-2.571 mg/L (NH₄⁺), Spectroquant^®

Ammonium Cell Test, photometric, photometric, 0.5-16.0 mg/L (NH₄-N), 0.6-20.6 mg/L (NH₄⁺), Spectroquant^®