Cole-Parmer Ammonia standard, 100 ppm ammonia as nitrogen, 475 mL bottle
Cole-Parmer Replaceable Membrane ISE Probe; Cyanide
Cole-Parmer Replaceable Membrane ISE Probe; Fluoride
Cole-Parmer Replaceable Membrane ISE Probe; Copper
Cole-Parmer Replaceable Membrane ISE Probe; Bromide

Don't worry about bulb breakage— unique design helps protect bulbs
– Eliminate electrical noise with graphite-tipped models
– Ideal for viscous or severe applications
– Reduce contamination and clogging with uniform pore size
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