KWIKCAL-2

Overview

• Superior, stable PVC membrane
• Fast Response
• 2mm diameter tips (Package of 3)
• Interchangeable tip holder

Details

These highly stable electrodes accurately measure calcium, potassium, hydrogen and TPP 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 needs to be replaced.

Available as kits

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.

Specifications

	Electrode	Color Code	Filling Solution	Nim. Slope/Decade	Concentration Range	Selectivity Coeffiecients (-log)
TIPCA	Calcium	Green	0.1M CaCl2	28mV	0.1 - 10 -6.75M	Na+ 5.5, K+ 5.4, Mg++ 4.9
TIPH	Hydrogen	Orange	1M Citric acid, 0.01M NaCl, pH 5.6	54mV	pH 5.0-12	Na+ 10.4, K+ 9.8, Ca++ 11.1
TIPK	Potassium	Yellow	0.1M KCl	54mV	0.1 - 10-4.5M	Na+ 4.0, Ca++ 3.9, Mg++ 3.0
TIPTPP	TPP+	Purple	10mM TPP+	54mV	0.001 - 10-4M	K+ 6.0

Accessories

Citations

A.S. Murphy, W.R. Eisinger, J.E. Shaff, L.V. Kochian, L. Taiz "Early Copper-Induced Leakage of K+ from Arabidopsis Seedlings Is Mediated by Ion Channels and Coupled to Citrate Efflux1" Plant Physiology 121. 1999: 1375-1385

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