Cobalt Analyzer | Gustav Mahler

Cobalt Analyzer | Gustav Mahler

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Cobalt Analyzer Gustav Mahler Overview

The Cobalt Analyzer Gustav Mahler can perform continuous analysis of metals, such as Cobalt (Co), and many other parameters in water. Technologies employed are colorimetric (photometric) and ion-selective electrodes (ISE). Direct measurements, standard addition, and titration support the ideal measurement strategy. The robust design and high-quality parts of the Cobalt Analyzer guarantees a long lifetime and minimum maintenance efforts. Low consumption of reagents and very high reagent stability ensures person-free operation. Automated calibration and cleaning steps support this goal.


Natural sources. Natural sources of cobalt in the environment are soil, dust, seawater, volcanic eruptions, and forest fires.
Industry. Cobalt is used for the manufacture of alloys, hard metals, and magnets.
Drinking water. A guideline value of 0.01 mg/liter was recommended for cobalt in drinking water.
Toxicity. As a constituent of vitamin B12, cobalt is an essential element and, so far, another physiological role of cobalt has not been demonstrated in human nutrition.


Metal is measured as a chelate complex between metal ions in the wastewater and sensitive spectrophotometric reagent dye. Change of the intensity of the visible light throughout cuvette containing formed metal complex is directly proportional to metal concentration.

Cobalt Analyzer Features

  • Robust design
  • Minimal maintenance
  • Easy handling
  • High accuracy and precision
  • Suitable for mission-critical applications
  • Automated cleaning and calibration



Cobalt Analyzer Gustav Mahler Technical Specifications


Measurement variable Cobalt (Co)
Measurement application Drinking-Water | River Monitoring | Electroplating | Semiconducting industry
Measurement ranges 0.01 – 1.00 mg/L (ppm) other ranges possible upon request
Accuracy and Precision ± 3 % (based on full scale)
Resolution 0.01 mg/L
Calibration and cleaning Automated
Seibold Reagent kit Buffer and Dye Provided by Sigma Aldrich



Measurement method
Spectrophotometric (LED, detector)
Measurement interval
Continuous; Discontinuous (programmable, external start)
Sample and Reagents consumption per measurement
Sample: ~ 75 – 200 ml
Seibold Buffer and Reagent: ~ 3 ml


Ambient operating temperature, sample temperature: 5 to 40°C
Ambient operating humidity: Up to 95 % RH non-condensing (below the condensation limit)
Power supply
Supply voltage: 220 – 230 V AC | 50 – 60 Hz (110 V AC or 24 V DC, optional)
Power consumption: approx 50 VA
Output signal: 4 – 20 mA
Color | TFT | Liquid Crystal Display (LCD) with built-in backlight and brightness adjustment.


Maintenance interval: 3 months



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