Hazardous shipping. Items with this mark may be considered hazardous under some shipping conditions. If necessary, we will change your selected shipping method to accommodate these items.
For mid-range and high range nitrate determination by the NitraVer® 5 cadmium reduction method. Hach methods 8039 and 8171. Range: up to 30 mg/L as N. Sample Size: 25 mL. Pack of 100 powder pillows.