Ion selective electrode ELIS-121K (film)
Ion selective electrode ELIS-121K (film) Laboratory potassium selective electrode with PVC membrane. The ion-selective film electrode ELIS-121K is designed together with a reference electrode and an electronic converter (for example, an ion meter) for measuring the activity of potassium ions in solutions. The electrode is a general purpose instrument for use in scientific and industrial analytical laboratories. For joint work, ESr-10101, ESr-10106, ESr-10108 are recommended. Cable and connector: K 80.7 – cable length – 80 cm, BNC connector Attention! When working with With the ELIS-121K electrode, reference electrodes filled with a KCl solution cannot be directly used. To do this, you should use either a two-key reference electrode, for example, ESR-10101, or an electrolytic bridge filled with a 1 M solution of lithium acetate or the solution recommended in the method. Manba: https://www.nv-lab.ru/catalog_info.php?ID=1541
- Parameter: Value
- Detected ion: K+
- Measuring range, mol/l / (mg/l): 10-5…10-1 / (0.4…3 900)
- pH measurement range: 2…9
- Operating temperature, °C: 5…50
- Electrical resistance, MOhm (at 20 °C): 10…80
- Selectivity coefficients for interfering ions:
- NH4+;
- Na+;
- Ca2+;
- Mg2+: 2×10-2;
- 5×10-3;
- 5×10-3;
- 2×10-4
- Overall dimensions (Length × Diameter), mm: 130 × Ø10
- Weight with cable, g, no more: 70