Difference between revisions of "Specifications of Ion Selective Electrodes"

From eDAQ Wiki
Jump to: navigation, search
(Created page with "{| class="wikitable sortable" ! scope="col" | Ammonium || scope="col" | col545 || scope="col" | col009_a_9000_mgL || scope="col" | col4_a_85 || scope="col" | col_1_min || scop...")
 
 
(7 intermediate revisions by the same user not shown)
Line 1: Line 1:
 +
These specifications apply to the ion selective electrodes:
 +
* [https://www.edaq.com/ET1601 ET1601] MINI Ion Selective Electrodes
 +
* [https://www.edaq.com/ET1632 ET1632] Modular Single Ion Selective Electrode
 +
* [https://www.edaq.com/ET1615 ET1615] Modular Ion Selective Electrode Inserts
 +
 +
 +
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
−
! scope="col" | Ammonium || scope="col" | col545 || scope="col" | col009_a_9000_mgL || scope="col" | col4_a_85 || scope="col" | col_1_min || scope="col" | col5_a_50 || scope="col" | K_-08_Na_-27
+
! scope="col" | Ion || scope="col" | Slope (mV/dec) || scope="col" | Lineal Range || scope="col" | pH || scope="col" | Response Time || scope="col" | Working Temperature (°C) || scope="col" | Interferences (log Kij)
 
|-
 
|-
−
| NH4+ || || 5e-6 a 0.5 mol/L || || || || Mg (-3,2); Ca (-4)
+
| Ammonium || 54±5 || 0.09 to 9000 mg/L || 4 to 8.5 || < 1 min || 5 to 50 || K (-0.8); Na (-2.7)
 
|-
 
|-
−
| Bromide || -54±5 || 0,4 a 8000 mg/L || 1 a 12 || < 1 min || 5 a 50 || Error presence Ag, S, I o CN
+
| NH4+ || || 5e-6 to 0.5 mol/L || || || || Mg (-3.2); Ca (-4)
 
|-
 
|-
−
| Br- || || 5e-6 a 0,1 mol/L || || || || Cl (-2,7); OH (-4,5)
+
| Bromide || -54±5 || 0.4 to 8000 mg/L || 1 to 12 || < 1 min || 5 to 50 || Error in presence of Ag, S, I or CN
 
|-
 
|-
−
| Calcium || 24±5 || 0,4 a 4000 mg/L || 3.5 a 8 || < 1 min || 5 a 50 || NH4 (-3); K (-3,6)
+
| Br- || || 5e-6 to 0.1 mol/L || || || || Cl (-2.7); OH (-4.5)
 
|-
 
|-
−
| Ca2+ || || 1e-5 a 0,1 mol/L || || || || Na (-3,7)
+
| Calcium || 24±5 || 0.4 to 4000 mg/L || 3.5 to 8 || < 1 min || 5 to 50 || NH4 (-3); K (-3.6)
 
|-
 
|-
−
| Cyanide || -54±5 || 0,1 a 250 mg/L || 11 a 14 || < 1 min || 5 a 50 || Error presence of Ag or S
+
| Ca2+ || || 1e-5 to 0.1 mol/L || || || || Na (-3.7)
 
|-
 
|-
−
| CN- || || 4e-6 a 0,01 mol/L || || || || same selectivity for I-
+
| Cyanide || -54±5 || 0.1 to 250 mg/L || 11 to 14 || < 1 min || 5 to 50 || Error in presence of Ag or S
 
|-
 
|-
−
| Chloride || -54±5 || 1,5 a 35000 mg/L || 2 a 12 || < 1 min || 5 a 50 || Error presence of Ag or S-damaged
+
| CN- || || 4e-6 to 0.01 mol/L || || || || same selectivity for I-
 
|-
 
|-
−
| CI- || || 4e-5 a 1 mol/L || || || || I irrev.membrana
+
| Chloride || -54±5 || 1.5 to 35000 mg/L || 2 to 12 || < 1 min || 5 to 50 || Error in presence of Ag or S
 
|-
 
|-
−
| Copper || 24±5 || 0,06 a 3200 mg/L || 2 a 7 || < 1 min || 5 a 50 || Error presence of Ag or Cl S
+
| CI- || || 4e-5 to 1 mol/L || || || || Irreversible damage to membrane
 
|-
 
|-
−
| Cu2+ || || 1e-6 a 0,05 mol/L || || || || Alterations presence or I
+
| Copper || 24±5 || 0.06 to 3200 mg/L || 2 to 7 || < 1 min || 5 to 50 || Error in presence of Ag, Cl or S
 
|-
 
|-
−
| Fluoride || -54±5 || 0,1 a 1900 mg/L || 4 a 8 || < 1 min || 5 a 50 || OH (-1)
+
| Cu2+ || || 1e-6 to 0.05 mol/L || || || || Alterations presence or I
 
|-
 
|-
−
| F- || || 5e-6 a 0,1 mol/L || || || || Maintain pH < 8
+
| Fluoride || -54±5 || 0.1 to 1900 mg/L || 4 to 8 || < 1 min || 5 to 50 || OH (-1)
 
|-
 
|-
−
| Iodide || -54±5 || 0,1 a 12000 mg/L || 2 a 12 || < 1 min || 5 a 50 || Error presence Ag o S
+
| F- || || 5e-6 to 0.1 mol/L || || || || Maintain pH < 8
 
|-
 
|-
−
| I- || || 1e-6 a 0,1 mol/L || || || || Br (-3,4); Cl (-6)
+
| Iodide || -54±5 || 0.1 to 12000 mg/L || 2 to 12 || < 1 min || 5 to 50 || Error in presence of Ag or S
 
|-
 
|-
−
| Lithium || 54±5 || 0,1 a 5000 mg/L || 2 a 12 || < 1 min || 5 a 50 || Na (-2,3); K (-2,4)
+
| I- || || 1e-6 to 0.1 mol/L || || || || Br (-3.4); Cl (-6)
 
|-
 
|-
−
| Li+ || || 1e-5 a 0,7 mol/L || || || || H (-3)
+
| Lithium || 54±5 || 0.1 to 5000 mg/L || 2 to 12 || < 1 min || 5 to 50 || Na (-2.3); K (-2.4)
 
|-
 
|-
−
| Magnessium || 24±5 || 2,4 a 2400 mg/L || 3 a 8.5 || < 1 min || 5 a 50 || Ca (-1); K (-3,6)
+
| Li+ || || 1e-5 to 0.7 mol/L || || || || H (-3)
 
|-
 
|-
−
| Mg2+ || || 1e-4 a 0,1 mol/L || || || || Na (-3,9)
+
| Magnessium || 24±5 || 2.4 to 2400 mg/L || 3 to 8.5 || < 1 min || 5 to 50 || Ca (-1); K (-3.6)
 
|-
 
|-
−
| Nitrate || -54±5 || 0,6 a 31000 mg/L || 2 a 11 || < 1 min || 5 a 50 || Br (-1,2); NO2 (-1,7)
+
| Mg2+ || || 1e-4 to 0.1 mol/L || || || || Na (-3.9)
 
|-
 
|-
−
| NO3- || || 1e-5 a 0,5 mol/L || || || || OH (-1,8); AcO (-2,2)
+
| Nitrate || -54±5 || 0.6 to 31000 mg/L || 2 to 11 || < 1 min || 5 to 50 || Br (-1.2); NO2 (-1.7)
 
|-
 
|-
−
| Nitrite || -54±5 || 2,5 a 1000 mg/L || 4 a 8 || < 1 min || 5 a 50 || SCN (-0,2); I (-2,2)
+
| NO3- || || 1e-5 to 0.5 mol/L || || || || OH (-1.8); AcO (-2.2)
 
|-
 
|-
−
| NO2- || || 5,4e-5 a 0,02 mol/L || || || || ClO4 (-2,4); Br (-3,3)
+
| Nitrite || -54±5 || 2.5 to 1000 mg/L || 4 to 8 || < 1 min || 5 to 50 || SCN (-0.2); I (-2.2)
 
|-
 
|-
−
| Perchlorate || -54±5 || 1 a 10000 mg/L || 1 a 11 || < 1 min || 5 a 50 || SCN (-1,7); NO3 (-1,7)
+
| NO2- || || 5.4e-5 to 0.02 mol/L || || || || ClO4 (-2.4); Br (-3.3)
 
|-
 
|-
−
| ClO4- || || 1e-5 a 0,1 mol/L || || || || I (-1,7)
+
| Perchlorate || -54±5 || 1 to 10000 mg/L || 1 to 11 || < 1 min || 5 to 50 || SCN (-1.7); NO3 (-1.7)
 
|-
 
|-
−
| Silver || 56±5 || 0,1 a 10000 mg/L || 1 a 9 || < 1 min || 5 a 50 || Error presence S o Hg
+
| ClO4- || || 1e-5 to 0.1 mol/L || || || || I (-1.7)
 
|-
 
|-
−
| Ag+ || || 1e-6 a 0,1 mol/L || || || ||  
+
| Silver || 56±5 || 0.1 to 10000 mg/L || 1 to 9 || < 1 min || 5 to 50 || Error in presence of S or Hg
 
|-
 
|-
−
| Potassium || 54±5 || 0,4 a 3900 mg/L || 1 a 9 || < 1 min || 5 a 50 || NH4 (-2,1); Ca (-3,9)
+
| Ag+ || || 1e-6 to 0.1 mol/L || || || ||  
 
|-
 
|-
−
| K+ || || 1e-5 a 0,1 mol/L || || || || Li (-4,3); Na (-4,6)
+
| Potassium || 54±5 || 0.4 to 3900 mg/L || 1 to 9 || < 1 min || 5 to 50 || NH4 (-2.1); Ca (-3.9)
 
|-
 
|-
−
| Sodium || -27±5 || 0,1 a 3200 mg/L || 1 a 9 || < 1 min || 5 a 50 || K (-2,5); Ca (-3)
+
| K+ || || 1e-5 to 0.1 mol/L || || || || Li (-4.3); Na (-4.6)
 
|-
 
|-
−
| Na+ || || 3e-6 a 0,1 molL || || || || Li (-3,2)
+
| Sodium || -27±5 || 0.1 to 3200 mg/L || 1 to 9 || < 1 min || 5 to 50 || K (-2.5); Ca (-3)
 
|-
 
|-
−
| Sulfide || -54±5 || 0,4 a 8000 mg/L || 12 a 14 || < 1 min || 5 a 50 || Error presence Ag o Hg
+
| Na+ || || 3e-6 to 0.1 molL || || || || Li (-3.2)
 
|-
 
|-
−
| S2- ||  || 5e-6 a 0,1 mol/L ||  ||  ||  ||  
+
| Sulfide || -54±5 || 0.4 to 8000 mg/L || 12 to 14 || < 1 min || 5 to 50 || Error in presence of Ag or Hg
 +
|-
 +
| S2- ||  || 5e-6 to 0.1 mol/L ||  ||  ||  ||  
 
|}
 
|}
 +
 +
 +
Slope (mV/dec) = slope of the calibration line (mV/decade of concentration); 54 for monovalent ions and 27 for divalent ions
 +
 +
pH = working pH range

Latest revision as of 17:21, 27 November 2018

These specifications apply to the ion selective electrodes:

  • ET1601 MINI Ion Selective Electrodes
  • ET1632 Modular Single Ion Selective Electrode
  • ET1615 Modular Ion Selective Electrode Inserts


Ion Slope (mV/dec) Lineal Range pH Response Time Working Temperature (°C) Interferences (log Kij)
Ammonium 54±5 0.09 to 9000 mg/L 4 to 8.5 < 1 min 5 to 50 K (-0.8); Na (-2.7)
NH4+ 5e-6 to 0.5 mol/L Mg (-3.2); Ca (-4)
Bromide -54±5 0.4 to 8000 mg/L 1 to 12 < 1 min 5 to 50 Error in presence of Ag, S, I or CN
Br- 5e-6 to 0.1 mol/L Cl (-2.7); OH (-4.5)
Calcium 24±5 0.4 to 4000 mg/L 3.5 to 8 < 1 min 5 to 50 NH4 (-3); K (-3.6)
Ca2+ 1e-5 to 0.1 mol/L Na (-3.7)
Cyanide -54±5 0.1 to 250 mg/L 11 to 14 < 1 min 5 to 50 Error in presence of Ag or S
CN- 4e-6 to 0.01 mol/L same selectivity for I-
Chloride -54±5 1.5 to 35000 mg/L 2 to 12 < 1 min 5 to 50 Error in presence of Ag or S
CI- 4e-5 to 1 mol/L Irreversible damage to membrane
Copper 24±5 0.06 to 3200 mg/L 2 to 7 < 1 min 5 to 50 Error in presence of Ag, Cl or S
Cu2+ 1e-6 to 0.05 mol/L Alterations presence or I
Fluoride -54±5 0.1 to 1900 mg/L 4 to 8 < 1 min 5 to 50 OH (-1)
F- 5e-6 to 0.1 mol/L Maintain pH < 8
Iodide -54±5 0.1 to 12000 mg/L 2 to 12 < 1 min 5 to 50 Error in presence of Ag or S
I- 1e-6 to 0.1 mol/L Br (-3.4); Cl (-6)
Lithium 54±5 0.1 to 5000 mg/L 2 to 12 < 1 min 5 to 50 Na (-2.3); K (-2.4)
Li+ 1e-5 to 0.7 mol/L H (-3)
Magnessium 24±5 2.4 to 2400 mg/L 3 to 8.5 < 1 min 5 to 50 Ca (-1); K (-3.6)
Mg2+ 1e-4 to 0.1 mol/L Na (-3.9)
Nitrate -54±5 0.6 to 31000 mg/L 2 to 11 < 1 min 5 to 50 Br (-1.2); NO2 (-1.7)
NO3- 1e-5 to 0.5 mol/L OH (-1.8); AcO (-2.2)
Nitrite -54±5 2.5 to 1000 mg/L 4 to 8 < 1 min 5 to 50 SCN (-0.2); I (-2.2)
NO2- 5.4e-5 to 0.02 mol/L ClO4 (-2.4); Br (-3.3)
Perchlorate -54±5 1 to 10000 mg/L 1 to 11 < 1 min 5 to 50 SCN (-1.7); NO3 (-1.7)
ClO4- 1e-5 to 0.1 mol/L I (-1.7)
Silver 56±5 0.1 to 10000 mg/L 1 to 9 < 1 min 5 to 50 Error in presence of S or Hg
Ag+ 1e-6 to 0.1 mol/L
Potassium 54±5 0.4 to 3900 mg/L 1 to 9 < 1 min 5 to 50 NH4 (-2.1); Ca (-3.9)
K+ 1e-5 to 0.1 mol/L Li (-4.3); Na (-4.6)
Sodium -27±5 0.1 to 3200 mg/L 1 to 9 < 1 min 5 to 50 K (-2.5); Ca (-3)
Na+ 3e-6 to 0.1 molL Li (-3.2)
Sulfide -54±5 0.4 to 8000 mg/L 12 to 14 < 1 min 5 to 50 Error in presence of Ag or Hg
S2- 5e-6 to 0.1 mol/L


Slope (mV/dec) = slope of the calibration line (mV/decade of concentration); 54 for monovalent ions and 27 for divalent ions

pH = working pH range

Retrieved from "https://www.edaq.com/w/index.php?title=Specifications_of_Ion_Selective_Electrodes&oldid=4937"