ELIT ISE Electrode Specifications

Pricing & Key Notes

Standard price per electrode (exc. VAT)
ELIT 8071 Nitrite electrode: exc. VAT

ELIT 003n reference electrode recommended for most ISE work
ELIT 001 reference electrode recommended for: Calcium, Fluoride, Nitrite, Perchlorate, Sodium
All electrodes compatible with ELIT 001 or 003n in ELIT 201 dual electrode head
Minimum sample volume: 5 mL (all models)
Last updated: March 2017

Individual ion datasheets:
elyxir.co.uk/resources/ions

Interferences: The ions listed in the interferences column may affect measurement accuracy if present in the sample. Always check interferences against expected sample matrix before selecting an electrode.

Master ISE Electrode Specifications Table (19 Models)

Ion	Model	Membrane	Range (ppm)	pH Range	Temp (°C)	Key Interferences	Ref Electrode	Calibration Standard	ISAB
Ammonium (NH₄⁺)	ELIT 8051	PVC	0.03–1,800	0–8.5	0–50	K⁺	ELIT 003 (0.1M LiAc)	NH₄Cl	1M MgSO₄ (10% v/v)
Bromide (Br⁻)	ELIT 8271	Crystal	0.4–8,000	1–12	0–80	Ag⁺, CN⁻, I⁻, S²⁻, Cl⁻	ELIT 003	KBr	5M NaNO₃ (2% v/v)
Cadmium (Cd²⁺)	ELIT 8241	Crystal	0.1–11,000	3–7	0–80	Ag⁺, S²⁻, Cu²⁺, Fe²⁺, Fe³⁺, Hg²⁺, Pb²⁺	ELIT 003	Cd(NO₃)₂	5M NaNO₃ (2% v/v)
Calcium (Ca²⁺)	ELIT 8041	PVC	0.02–4,000	3.5–11	0–50	Al³⁺, Ba²⁺, Fe²⁺, Cu²⁺, Sr²⁺	ELIT 001	CaCl₂	4M KCl (2% v/v)
Chloride (Cl⁻)	ELIT 8261	Crystal	1–35,000	1–12	0–80	Br⁻, CN⁻, I⁻, S²⁻, Ag⁺	ELIT 003	KCl	5M NaNO₃ (2% v/v)
Copper (Cu²⁺)	ELIT 8227	Crystal	0.006–6,400	2–7	0–80	Ag⁺, Br⁻, Cd²⁺, Cl⁻, Fe²⁺, Hg²⁺, S²⁻	ELIT 003	CuSO₄	5M NaNO₃ (2% v/v)
Cyanide (CN⁻)	ELIT 8291	Crystal	0.03–260	11–13	0–80	I⁻, S²⁻, Ag⁺	ELIT 003	KCN	10M NaOH (2% v/v)
Fluoride (F⁻)	ELIT 8221	Crystal	0.06–1,900	4–8	0–80	OH⁻	ELIT 001	NaF	TISAB (1:1)
Iodide (I⁻)	ELIT 8281	Crystal	0.06–12,700	2–12	0–80	CN⁻, S²⁻, Ag⁺, S₂O₃²⁻	ELIT 003	KI	5M NaNO₃ (2% v/v)
Lead (Pb²⁺)	ELIT 8231	Crystal	0.2–20,800	3–7	0–80	Ag⁺, S²⁻, Cd²⁺, Cu²⁺, Fe²⁺, Fe³⁺, Hg²⁺	ELIT 003	Pb(NO₃)₂	5M NaNO₃ (2% v/v)
Mercury (Hg²⁺)	ELIT 8251	Crystal	0.2–20,100	0–2	0–80	Ag⁺, S²⁻	ELIT 003	Hg(NO₃)₂	0.1M HNO₃ (1:1)
Nitrate (NO₃⁻)	ELIT 8021	PVC	0.3–6,200	2–11	0–50	BF₄⁻, Cl⁻, ClO₄⁻, CN⁻, I⁻, NO₂⁻, HCO₃⁻	ELIT 003	NaNO₃	2M (NH₄)₂SO₄ (2% v/v)
Nitrite (NO₂⁻)	ELIT 8071	PVC	0.5–460	4.5–8.0	0–50	CN⁻, CH₃COO⁻, F⁻, Cl⁻, NO₃⁻, SO₄²⁻	ELIT 001	NaNO₂	BS1 or BS2 (1:1)
Perchlorate (ClO₄⁻)	ELIT 8061	PVC	0.2–9,960	0–11	0–50	Cl⁻, I⁻, NO₃⁻, SCN⁻	ELIT 001	NaClO₄	1M CH₃COONa (2% v/v)
Potassium (K⁺)	ELIT 8031	PVC	0.4–3,900	1–9	0–50	Cs⁺, NH₄⁺	ELIT 003	KCl	2.5M NaCl (2% v/v)
Silver (Ag⁺)	ELIT 8211	Crystal	0.01–10,790	1–9	0–80	Hg²⁺, S²⁻	ELIT 003	AgNO₃	5M NaNO₃ (2% v/v)
Sodium (Na⁺)	ELIT 8230	PVC	0.05–2,300	3–10	0–50	Most cations	ELIT 001	NaCl	None
Sulphide (S²⁻)	ELIT 8225	Crystal	0.003–3,200	13–14	0–80	Ag⁺, Hg²⁺	ELIT 003	Na₂S	10M NaOH or SAOB (2% v/v)
Thiocyanate (SCN⁻)	ELIT 8229	Crystal	1–5,800	2–12	0–80	Br⁻, Cl⁻, I⁻, Ag⁺, S²⁻, S₂O₃²⁻	ELIT 003	KSCN	5M NaNO₃ (2% v/v)

Electrode Physical Specifications (All Models)

Parameter	Specification
Body diameter	8 mm
Body length (excl. contact pin)	130 mm
Body length (incl. contact pin)	140 mm
Connection	BNC connector with coaxial cable
DC resistance at 25°C — PVC membrane	< 5.0 MΩ
DC resistance at 25°C — Crystal membrane	< 1.0 MΩ
Minimum sample volume	5 mL

All electrodes are compatible with the ELIT 001 or ELIT 003n reference electrode when used in the ELIT 201 dual electrode head. See individual ion datasheets for the recommended reference electrode for each analyte.

Membrane types:
PVC — polymeric liquid membrane; suitable for 0–50°C applications.
Crystal — solid-state crystalline membrane; operates up to 80°C and generally has lower DC resistance.

Individual Datasheets & Ordering

Individual ion datasheets: elyxir.co.uk/resources/ions · Order direct: elyxir.co.uk/products