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Silver/Silver Chloride Electrode Kit (Part No. 1004 Series)

Price:$340.00

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Price:$340.00
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The Silver/ Silver Chloride or simply the Silver Chloride Reference Electrode; Ag/AgCl


This kit includes the Reference Electrode with compatable maintenance and refill accessories.



  • Carry Case

  • Electrode Refill Solution Electrolyte 30 ml

  • Laboratory Electrode Storage Bottle

  • Pack of 5 Replacement Porous Tips

  • 5 Heat Shrinkable Sleeves

  • Electrode Filling Pipette

  • Absorbent Foam

  • Maintenance Manual

The silver/silver chloride reference electrode is many electrochemists' reference electrode of choice. It is widely used, stable, non-toxic and quite robust. The silver-silver chloride electrode simplicity and fundamental ruggedness makes it a good candidate for many commercial applications where the electrochemical potential has to been measured or controlled. It is mainly used with saturated potassium chloride (KCL) electrolyte, but can be also filled with lower concentrations such as 1 M KCL and even directly in seawater.
  • The Silver-Silver Chloride electrode has been shown to possess superior characteristics to that of unchlorided silver electrodes when used for recording low level AC and DC potentials. Chloridized silver electrodes present less low frequency "noise" than either gold or silver electrodes. The Koslow Silver-Silver Chloride electrodes are constructed of pure silver and then chloridized to provide the stability and low noise characteristics. The Silver/Silver Chloride potential is approximately +0.199 Volts vs. Normal Hydrogen Electrode (NHE) or -0.047 Volts vs. Saturated Calomel Reference Electrode (SCE) Electrode potential is stable to plus or minus one millivolt and recovers quickly from small temperature excursions.
  • Applications in electroanalysis, battery testing and maintenance, corrosion testing, electro-analytical studies measure half-cell potentials in lead-acid batteries, titration and many other electrochemical measurements.
  • Porous junction tip is made with electroporous KT Glass; and is replaceable when damaged or contaminated.
  • Excellent ion transfer and low noise
  • Traceable ID tags
  • Packaged with care in a handy storage carton and includes instructions with SDS.

The Silver/ Silver Chloride Reference Electrode Potential

- 244 mV vs. Normal Hydrogen Electrode (NHE)
- 410 mV vs. Mercury Sulfate Reference Electrode (M.S.E.)
- 440 mV vs. Silver / Silver Sulfate

 

Learn More:

  • More Facts: Koslow reference electrodes use a saturated KCL solution with an excess of KCL crystals. These can sometimes be seen on the bottom of the electrode. The extra KCL dissolves into the electrolyte as the potassium and chloride ions diffuse out through the liquid junction in normal use. This extra buffer of KCL extends the time before the reference cell starts to drift due to the depletion of chloride ions in the electrolyte.
  • Aging: UV light decomposes AgCL to give silver(0) which gives the electrode a black appearance. Normal fluorescent lights shouldn’t be a problem, but don't store your electrodes in direct sun light. Light protected amber glass storage bottles are recommended to store electrode with frit in KCL filling solution. Saturated solutions of KCL have the advantage that the concentration is reproducible even if the temperature changes (if solid salt is present) and are immune to the effects of water.
  • The Electro porous KT Glass tip serves as the ionicly conducting electrical pathway between the inside of the reference electrode and the bulk of your cell. The Electro-porous KT Glass frit (about 1/8" long) is attached to the glass tube by 'heat shrinkable' Teflon sleeve. The Glass has a low electrical resistance (under 10 kili Ohm for the common filling solutions) and a modest leak rate. The electrical resistance of the reference electrode 'frit' is an important factor in determining the stability and speed of your potentiostat in actual use. When changing KT Glass frits, the heat-shrink tubing should be trimmed flush with the end of the KT Glass frit to prevent capturing of air bubbles.

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Koslow Scientific Company

 

172 Walkers Lane

Englewood, NJ 07631 USA

 

 011 (201) 541-9100

 

sales@koslow.com

 

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