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Welcome to Weiss Research - your high quality, inexpensive laboratory and industrial processing pH, ORP (Redox), Ion-Selective electrode (ISE) Headquarters.

Electrodes

  pH Electrodes  
  ORP Electrodes  
  Ion-Selective
  Conductivity  
  Reference  
  Temperature  

Meters

 

pH/mV Meter

 
 

Ion/pH Meter

 
 

Conductivity

 
Reagents
 

pH Buffer & etc.

 
  ORP Standard  
 

ISE Std & etc.

 
  Conductivity Std  
     
 

Connectors

 
     
     
 
PVC membrane Nitrite Ion-Selective Electrode (NO2-)("dry" contact):

Part Number, half-cell* 1071BN $290.00
Combination, sealed 3071BN $390.00
Body material Epoxy
Limits, ppm 460 ~0.5
pH range 4.6 ~ 8
Interferences CN-
Reference Ag/AgCl
Cable & Connector 1 meter with BNC
Delivery time 4 weeks at least
* need a separate reference electrode

 

Calibration Reagents:

Standard

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1000 ppm as NO2-

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ISA

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KAl(SO4)212H2O

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Industrial ISEs


Ammonia
Ammonium
Barium
Bromide
Cadmium
Calcium
Carbonate
Chloride
Copper
Cyanide
Fluoride
Fluoroborate
Iodide
Lead
Nitrate
Nitrite
Perchlorate
Potassium
Silver
Sodium
Sulfide
Hardness
 

 

Reference Articles: