Thermo Scientific Orion ISE Calibration Standards, 1000 ppm Ammonia Standard, 475 mL, 951007By Thermo Scientific Orion $113.95 | EA Quantity discounts available QuantityPrice Product #: 705981Mfr. Part #: 951007Out of Stock - Ships in 5-10 Days Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Take reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Calibration Standards. For use with ion-selective electrodes from... DetailsBackDescription Take reproducible ISE measurements with Thermo Scientific™ Orion™ ISE Calibration Standards. For use with ion-selective electrodes from ammonia to water hardness. Features 1000 mg/L (ppm) as N NIST-Traceable Product Specifications Weight 6.0000 Documents Safety Data Sheet California residents see Prop 65 WARNINGS