Core & Main Ammonia Standard, 20 ppm as N, 1 LBy Core & Main $56.30 | EA Quantity discounts available QuantityPrice1 – 1$56.302 – 5$54.896 +$53.49Product #: 706916Mfr. Part #: AS1020-QOut of Stock - Ships in 10 Days Quantity -+ Add to Cart Add to List Add to My List Or: Create a New List Create and Add Item Learn more about Core & Main chemicals and reagents for your everyday water quality testing.Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Ammonia Standard, 20ppm as N, 1 L. Features 20 mg/L (ppm) as N DetailsBackDescription Ammonia Standard, 20ppm as N, 1 L. Features 20 mg/L (ppm) as N Documents Safety Data Sheet