

40907 · 2 ppm as F- with TISAB II
Thermo Fisher Scientific · Cat: 40907
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Description
Take accurate, reproducible ion concentration measurements by calibrating your Ion Selective Electrode with high-quality Thermo Scientific Orion ISE Calibration Standards. Use these standards with electrodes including ammonia, chloride, fluoride, nitrate, potassium, silver, sodium and sulfide.







