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Thermo Fisher Scientific Orion™ 475ml 100 PPM Ammonia Nitrogen Standard for Orion Ammonia Ion Selective Electrode
104.27
YSI TruLine 500ml Chloride High Standard Solution
74.1
Oakton Instruments Oakton™ 110/220V Ionization 700 Benchtop Meter with DJ Glass
930.0
Georg Fischer Signet 3/4 in. MNPT Polyphenylene Sulfide ORP Electrode Flat Tip for 9900 pH/ORP Transmitters Plus and 2750 Series Sensor Electronics
533.28
Thermo Fisher Scientific 60ml Electrode Fill Solution
209.96
Thermo Fisher Scientific Orion™ Electrode Body and Membrane 3 Pack for Orion 9512HPBNWP Gas-Sensing Ion Selective Electrode
109.38
Thermo Fisher Scientific Orion™ 60ml pH Electrode Filling Solution for Orion pH Electrodes and Reference Electrodes 5 Pack
154.18
Thermo Fisher Scientific Orion™ 475ml Acid Reagent for Orion 9770BN Ion Selective Electrode
134.22
Thermo Fisher Scientific Orion™ 475ml Solution for Orion Ammonia Ion Selective Electrode Calibration Standard
119.8
Thermo Fisher Scientific Orion™ Ross-Ultra® Gel Sealed pH Combination Electrode for Ross Ultra Orion Versa Star, Star A and Dual Star Meters
764.27
Thermo Fisher Scientific Orion™ Combination Nitrate Electrode with Waterproof BNC Connector for Orion 9707BNWP Ion Selective Electrode Meter
1430.9
Pollardwater 600 mV ORP Standard 500 mL
45.5
YSI Pro Series Nitrate In-Sink-Erator Probe for Professional Plus Multiparameter Meter
443.65
Pollardwater 4 L Buffer Solution
56.45
More Options Available
Lamotte Repl. pH Tracer Sensor
93.98
Thermo Fisher Scientific Orion™ Ammonia Membrane 20 Pack for Orion 9512BNWP Ammonia Electrode
204.1
Thermo Fisher Scientific Orion™ Automatic Temperature Compensation Probe for Orion Standard pH Meter
553.51
Lamotte pH Tracer
182.94
Cole Parmer Instrument Company Replacement All-in-One Waterproof Single Junction pH Electrode for Oakton pH 450 Portable Meters
147.46
YSI TruLine 500ml Nitrate High Standard Solution