Core & Main Ammonia Standard, 2ppm as N, 500 mLBy Core & Main $38.95 | EA Quantity discounts available QuantityPrice1 – 1$38.952 – 5$37.986 +$37.00 Product #: 706907Mfr. Part #: AS1002-POut of Stock - Ships in 34 Days Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Ammonia Standard, 2ppm as N, 500 mL. Features 2 mg/L (ppm) as N DetailsBackDescription Ammonia Standard, 2ppm as N, 500 mL. Features 2 mg/L (ppm) as N Documents Safety Data Sheet