These highly stable electrodes accurately measure calcium, potassium, and chloride ion activity. Tips consist of 2 mm diameter plastic tubes sealed at one end with an ion-sensitive membrane. After filling with electrolyte solution, the user inserts the tube into the holder and connects it to a pH meter.  Tips and holders are interchangeable, so one tip may be replaced with another sensitive to a different ion. Replacing a tip takes less than a minute. Electrode tips normally last several months, when stored properly in saline solution. When replacement is necessary, only the tip need be replaced.
Kwik-Tip electrodes are available separately and as kits -- Each "KWIK" Electrode Holder kit includes a reusable holder and three removable tips. In addition to a 4-foot BNC cable and an electrolyte filling syringe; "TIP" Electrode Kits contain three electrode tips for a specific ion. A separate reference electrode, such as WPI's Dri-Ref™, is also required. If your pH meter requires a US Standard connector, also order Part No. 3508 (BNC-to-US pH Standard adapter). |
Key Points
- Accurate, fast and economical!
- Each kit includes three electrode tips
- MicroFil filling syringe (included).
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TIP ELECTRODE SPECIFICATIONS |
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Part No. |
Electrode |
Color Code |
Recommended Filling Solution |
Min.Slope / Decade |
Concentration Range |
Selectivity
Coefficients (-log) |
|
TIPCA |
Calcium |
Green |
0.1 M CaCl2 |
28 mV |
0.1 M - 10-6.75 M |
Na+ 5.5, K+ 5.4, Mg++ 4.9 |
|
TIPH |
Hydrogen |
Orange |
1 M Citric Acid,0.01 M NaCl, pH 5.6 |
54 mV |
pH 5.0 - 12 |
Na+ 10.4, K+ 9.8, Ca++ 11.1 |
|
TIPK |
Potassium |
Yellow |
0.1 M KCl |
54 mV |
0.1 M - 10-4.5 M |
Na+ 4.0, Ca++ 3.9, Mg++ 3.0 |
| TIPTPP |
TPP |
Purple |
10 mM TPP |
54 mV |
0.1 M - 10-4.5 M |
Na + 4.0, Ca ++ 3.9, Mg++ 3.0 |
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