XS SK-NH4 Solid State Combined Ion Selective Electrode (ISE) for the determination of ammonium (NH4+). Concentration range 0.9–9,000 ppm, optimum pH range 0–8.5, and operating temperature 5–50 °C. It integrates a measuring sensor and reference electrode, eliminating the need for electrolyte refills and allowing for dry storage. It uses 1 M CH3COOLi (lithium acetate) as the ionic strength adjustment buffer. A 1m fixed cable with a BNC connector is included.

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Packaging	Reference	Stock	My Price
x u.	SEN-SK-NH4	Estimated availability 12/12/2026	Buy

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Characteristic
Model : SK-NH4
Description : Solid State Combination Electrode SK Ammonium
Concentration Range (ppm) : 0.9 - 9,000
Optimum pH range : 0 - 8,5
Temperature range (ºC) : 5 - 50
Ionic Strength Adjustment Buffer : 1M CH3COOLi
Pack (u.) : 1

XS Ion Selective Electrodes (ISE) are solid state combined electrodes, they contain one measuring electrode and one reference electrode. They are low maintenance probes that do not require refilling. They are stored dry, without storage solutions. Standard products are fitted with 1 metre of cable terminated with a BNC connector.

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