Calibration solutions for field instruments with an ammonium sensor.
500 mL of standard (plastic bottle) is available in 1, 10, and 100 mg/L.
Dated Material. Item is heat packed in the winter months. Shipment must be made via 2-day or next day carrier during that time.
What's in the Box:
YSI 3841 ammonium standard, 1 mg/L, 500mL