ISE Standards

Ion Selective Electrodes provide a quick and convenient method of analysis for many ionic species. Save on standards and reagents manufactured under our ISO Quality Program.

• Complete list of products for most Ion Selective Electrodes

• Direct equivalent to original manufacturers

• Manufactured and tested under an ISO Certified Quality
  Program

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Reagents Concentration Catalog Number  
    125 ml 500 ml 1 L
Ammonium Chloride, NH4Cl 0.1 M 250-180-150 250-180-151  
Ammonium Sulfate, (NH4)2SO4 0.02 250-180-175 250-180-176 250-180-177
Buffer TISAB with CDTA        
Buffer TISAB concentrate with CDTA     250-200-400  
Buffer TISAB II with CDTA        
Calcium Chloride, CaCl2 0.1 M   250-180-200 250-180-201
Electrode Cleaning Solution   250-180-300 250-180-301 250-180-302
Electrode Storage Solution   250-180-325 250-180-326 250-180-327
Electrode Storage Solution (buffered)   250180-350 250-180-351 250-180-352
Ionic Strength Adjustor (ISA) for Solid State ISE   250-180-400 250-180-401  
Nitrate Interference Suppressor Solution   250-180-425 250-180-426  
Sodium Chloride, NaCl 5 M   250-180-550 250-180-551
Sodium Ionic Strength Adjustor   250-180-575 250-180-576  
Sodium Nitrate, NaNO3 5 M   250-180-600 250-180-601
Sulfide Anti-Oxydant Buffer (SAOB)       250-180-625

Reagents Concentration Catalog Number  
    5 L 10 L 20 L
Ammonium Chloride, NH4Cl 0.1 M      
Ammonium Sulfate, (NH4)2SO4 0.02      
Buffer TISAB with CDTA   250-200-430 250-200-431 250-200-432
Buffer TISAB concentrate with CDTA        
Buffer TISAB II with CDTA   250-200-460 250-200-461 250-200-462
Calcium Chloride, CaCl2 0.1 M 250-180-202    
Electrode Cleaning Solution   250-180-303    
Electrode Storage Solution   250-180-328    
Electrode Storage Solution (buffered)   250-180-353    
Ionic Strength Adjustor (ISA) for Solid State ISE        
Nitrate Interference Suppressor Solution        
Sodium Chloride, NaCl 5 M 250-180-552 250-180-553 250-180-554
Sodium Ionic Strength Adjustor        
Sodium Nitrate, NaNO3 5 M      
Sulfide Anti-Oxydant Buffer (SAOB)        


Description Symbol Matrix Catalog Number, 10 000 ug/ml Catalog Number, 1000 ug/ml
      125 ml 500 ml 125 ml 500 ml
Acetate CH3COO- H20 250-220-100 250-220-101    
Ammonia-Nitrogen NH2as N H20 250-220-115 250-220-116    
Ammonium NH4+ H20 250-220-130 250-220-131    
Barium Ba2+ H20 250-220-175 250-220-176    
Bromate BrO3- H20 250-220-220 250-220-221    
Bromide Br- H20 250-220-235 250-220-236 250-221-235 250-221-236
Calcium Ca2+ H20 250-220-250 250-220-251 250-221-250 250-221-251
Chlorate CIO3- H20 250-220-355 250-220-356    
Chloride CI- H20 250-220-370 250-220-371 250-180-231 250-180-235
Fluoride F- H20 250-220-400 250-220-401 250-221-400 250-221-401
Formate HCOO- H20 250-220-415 250-220-416    
Lithium Li+ H20 250-220-445 250-220-446    
Magnesium Mg2+ H20 250-220-460 250-220-461 250-221-460 250-221-461
Nitrate NO3- H20 250-220-505 250-220-506 250-221-505 250-221-506
Nitrate-Nitrogen NO3-as N H20 250-220-520 250-220-521    
Nitrite NO2- H20 250-220-535 250-220-536 250-221-535 250-221-536
Nitrite-Nitrogen NO2-as N H20 250-220-550 250-220-551    
Oxalate C2O42- H20 250-220-565 250-220-566    
Perchlorate CIO4- H20 250-220-580 250-220-581    
Phosphate PO43- H20 250-220-595 250-220-596 250-221-595 250-221-596
Phosphate-Phosphorus PO43-as P H20 250-220-610 250-220-611    
Potassium K+ H20 250-220-625 250-220-626 250-221-625 250-221-626
Sodium Na+ H20 250-220-640 250-220-641 250-221-640 250-221-641
Strontium Sr2+ H20 250-220-685 250-220-686    
Sulfate SO42- H20 250-220-700 250-220-701 250-221-700 250-221-701
Sulftate-Sulfur SO42-as S H20 250-220-715 250-220-716