Cole-Parmer Ammonia standard, 100 ppm ammonia as nitrogen, 475 mL bottle
Cole-Parmer Replaceable Membrane ISE Probe; Cyanide
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Cole-Parmer Replaceable Membrane ISE Probe; Copper
Cole-Parmer Replaceable Membrane ISE Probe; Bromide
The Twist-Lock ORP probe is complete with platinum band measuring membrane and double junction reference.
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