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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

  
     
     
 

ORP Standard Solution (APHA)

Catalog No.

Description

Volume

Price

WE-3150

Light's solution, ferrous/ferric ammonium sulfate, +476 mV at 25 °C, Pt electrode vs Ag/AgCl reference electrode in saturated KCl

500 ml

$32.00

WE-3150-1

 WiseCal™ Light's solution, +476 mV at 25 °C

500 ml

$35.00

.ORP Check Solution

Catalog No.

Description

Volume

Price

ORP-kit

 ORP electrode check solutions; 1 of each pH 4 & 7 buffer (500 ml) and 20 g Quinhydrone

N/A

$35.00