Cleaning and Preventative Maintenance for pH Electrodes

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1504034
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Analysts frequently encounter pH measurement problems caused by poor electrode performance. Diagnosis and rectification of these problems can be time consuming, leading to poor analytical results and inefficient use of analysts time. To ensure accurate and reliable analytical measurements, a routine care and maintenance regime should be adopted. In addition to giving the correct measurement result the correct care and maintenance of pH electrodes will result in improved electrode performance and prolonged working life.

Recommended pH Electrode Fill Solutions

The majority of the pH electrodes that are supplied by Jenway are combined pH/reference measurement probes. The table below is provided as a guide to ordering the correct reference electrolyte for the listed electrodes. If there is any doubt, please contact us at [email protected]

 

Electrode Part Code Electrode Description 4M KCl saturated with AgCl 025 196 3M KCl (free from AgCl) 025 160 4M KCl saturated with AgCl (gel) 025 197
924 002 12mm stem, toughened spear ended electrode Yes    
924 003 Redox (platinum), glass bodied for redox measurements Yes    
924 005 General purpose electrode, glass bodied Yes    
924 007 4.5mm semi-micro electrode, 90mm reach Yes    
924 010 Spear type electrode, 6mm stem Yes    
924 030 Tris buffer/TE buffer - semi-micro for measurement in Eppendorf tubes   Yes  
924 036 Single Junction Ag/AgCl reference Yes    
924 049 Life Science electrode Yes    
924 050 Environmental electrode   Yes  
924 051 Food electrode     Yes
924 053 Waterproof 12mm stem spear type, glass bodied with ATC Yes    
924 054 Waterproof redox (platinum), glass bodied for redox measurements with ATC     Yes
924 055 Waterproof Tris buffer, glass bodied for pH measurements in biological buffers, blood and protein samples   Yes  
924 056 Waterproof food pH electrode with ATC     Yes
924 069 Food pH electrode with S7 connector for use with Model 430     Yes
924 076 Difficult Applications - glass bodied combination electrode for use in non-aqueous samples, oils and emulsions   4M KCl  
924 077 Jam, Jelly and Preserves epoxy bodied combination electrode Yes    
924 078 Long glass bodied combination electrode with 350mm reach Yes    
924 079 High temperature glass bodied combination electrode for solutions up to 110°C Yes    
924 080 Glass bodied combination electrode for use in aggressive chemical applications Yes    
924 904 Performance pH electrode - semi-micro, glass combination with 4.5mm diameter tip at 90mm long   Yes  
924 905 Performance pH electrode - glass combination for high accuracy, fast response and low drift requirements   Yes  
 

 

Ordering Information

 

Part Code Description
025 192 pH electrode storage solution (100ml)
025 196 pH electrode fill solution 4M KCl, AgCl saturated (150ml)
025 197 4M KCl/AgCl partial gel (150ml)
025 160 3M KCl pH fill solution (100ml)
025 161 pH electrode cleaning solution (500ml)
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Description

Recommended pH Electrode Fill Solutions

The majority of the pH electrodes that are supplied by Jenway are combined pH/reference measurement probes. The table below is provided as a guide to ordering the correct reference electrolyte for the listed electrodes. If there is any doubt, please contact us at [email protected]

 

Electrode Part Code Electrode Description 4M KCl saturated with AgCl 025 196 3M KCl (free from AgCl) 025 160 4M KCl saturated with AgCl (gel) 025 197
924 002 12mm stem, toughened spear ended electrode Yes    
924 003 Redox (platinum), glass bodied for redox measurements Yes    
924 005 General purpose electrode, glass bodied Yes    
924 007 4.5mm semi-micro electrode, 90mm reach Yes    
924 010 Spear type electrode, 6mm stem Yes    
924 030 Tris buffer/TE buffer - semi-micro for measurement in Eppendorf tubes   Yes  
924 036 Single Junction Ag/AgCl reference Yes    
924 049 Life Science electrode Yes    
924 050 Environmental electrode   Yes  
924 051 Food electrode     Yes
924 053 Waterproof 12mm stem spear type, glass bodied with ATC Yes    
924 054 Waterproof redox (platinum), glass bodied for redox measurements with ATC     Yes
924 055 Waterproof Tris buffer, glass bodied for pH measurements in biological buffers, blood and protein samples   Yes  
924 056 Waterproof food pH electrode with ATC     Yes
924 069 Food pH electrode with S7 connector for use with Model 430     Yes
924 076 Difficult Applications - glass bodied combination electrode for use in non-aqueous samples, oils and emulsions   4M KCl  
924 077 Jam, Jelly and Preserves epoxy bodied combination electrode Yes    
924 078 Long glass bodied combination electrode with 350mm reach Yes    
924 079 High temperature glass bodied combination electrode for solutions up to 110°C Yes    
924 080 Glass bodied combination electrode for use in aggressive chemical applications Yes    
924 904 Performance pH electrode - semi-micro, glass combination with 4.5mm diameter tip at 90mm long   Yes  
924 905 Performance pH electrode - glass combination for high accuracy, fast response and low drift requirements   Yes  
 

 

Ordering Information

 

Part Code Description
025 192 pH electrode storage solution (100ml)
025 196 pH electrode fill solution 4M KCl, AgCl saturated (150ml)
025 197 4M KCl/AgCl partial gel (150ml)
025 160 3M KCl pH fill solution (100ml)
025 161 pH electrode cleaning solution (500ml)
Short Description Analysts frequently encounter pH measurement problems caused by poor electrode performance. Diagnosis and rectification of these problems can be time consuming, leading to poor analytical results and inefficient use of analysts time. To ensure accurate and reliable analytical measurements, a routine care and maintenance regime should be adopted. In addition to giving the correct measurement result the correct care and maintenance of pH electrodes will result in improved electrode performance and prolonged working life.
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