As an Amazon Associate, we earn from qualifying purchases. Oakton Ion Selective Electrode (Electrode type: Ammonia) from Cole-Parmer Oakton . 3580200 Gallery Attributes Brand name, Manufacturer name, ManufacturerOakton CategoryL1Water Quality Products CategoryL2Electrodes CategoryL3pH/Ion Laboratory Electrodes Extra Product NameOakton Ion Selective Electrode (Electrode type: Ammonia) from Cole-Parmer extendedQtyIn Stock moq, multiple, tierMinQty11 MPN, SKU3580200 qtyInStock-2 tierPrice1530.00 Distributor offers SellerSKUMOQIn stockMultiplePrices Cole-Parmer35802001-211 @ $530.00