Core & Main Ammonia Standard, 5ppm as N, 500 mLBy Core & Main $42.95 | EA Quantity discounts available QuantityPrice1 – 1$42.952 – 5$41.886 +$40.80 Product #: 706911Mfr. Part #: AS1005-P This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Ammonia Standard, 5ppm as N, 500 mL. Features 5 mg/L (ppm) as N DetailsBackDescription Ammonia Standard, 5ppm as N, 500 mL. Features 5 mg/L (ppm) as N Documents Safety Data Sheet