Nitrate ion electrode (combination) 6581S-10C

Nitrate ion electrode (combination) 6581S-10C



Segment: Scientific
Division: Water Quality
Manufacturing Company: HORIBA Advanced Techno Co., Ltd.
Measurement Range

0.62 - 62,000 mg/L NO3-

1 x 10-5 - 1 mol/L NO3-

Temperature Range0 - 50 ºC
pH RangepH 3 - 7 (62 mg/L NO3-)
Accuracy± 2%
Internal ElectrodeAg/AgCl 
Internal Solution2 mol/L (NH4)2SO4
Liquid JunctionMovable sleeve
Connector & Cable LengthBNC, 1m
Dimensions150mm (length), 16.5mm (diameter)
Wetted Part MaterialsPVC, PSU
Slope-53 to-62 mV/decade
Selection Coefficient

ClO4-, I- = Not acceptable

Br- = 2, NO2- = 3, Cl- = 300

HCO3-, H2PO4-, SO42- = over 1000

Package Contents
  • 2 pcs Nitrate Ion Electrode Tips
  • 1000 mg/L Nitrate Ion Standard Solution (50ml)
  • 100 mg/L Nitrate Ion Standard Solution (50ml)
  • Nitrate Ionic Strength Adjustor (50ml)
  • Nitrate Ion Electrode Filling Solution (50ml)
  • Syringe
  • Dropper
  • Protective Pipe
  • Manual
Accessories and Solutions
7681SNitrate Ion Electrode Tip
500-NO3-IFSNitrate Ion Electrode Filling Solution (500ml)
500-NO3-SL100 mg/L Nitrate Ion Standard Solution (500ml)
500-NO3-SH1000 mg/L Nitrate Ion Standard Solution (500ml)
500-NO3-ISANitrate Ionic Strength Adjustor (500ml)

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