Chromium Analyzer | Heinrich Proch

Chromium Analyzer | Heinrich Proch

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Chromium Analyzer Heinrich Proch Overview

The Chromium Analyzer Heinrich Proch can perform continuous analysis of metals, such as Chromium (Cr), 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 Chromium 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.

Chromium Analyzer Heinrich Proch Features

Sources

Natural sources. Chromium is widely distributed in the Earth’s crust. It can exist in valences of +2 to +6. In general, food appears to be the major source of intake.
Industry. Chromium is seldom used alone; as an additive, it endows alloys or materials with new properties: strength, hardness, permanence, hygiene, color, and resistance to temperature, wear, and corrosion.
Drinking water. A guideline value of 0.05 mg/liter of total chromium is recommended in drinking water.
Toxicity. In humans and animals, Cr(III) is an essential nutrient. The overall toxicity, carcinogenicity, and general hazards of chromium are highly related to chemical speciation, the hexavalent chromium compounds being more toxic than the trivalent compounds.

Method

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 the cuvette containing formed metal complex is directly proportional to metal concentration.

Datasheet

Description

Chromium Analyzer Heinrich Proch Technical Specification

SYSTEM INFORMATION

Measurement variable Chromium (Cr) | Cr tot | Cr VI.
Measurement application Drinking water | River Monitoring | Electroplating | Semiconducting Industry
Measurement ranges 0.005 – 1.00 mg/L (ppm) other ranges possible upon request
Accuracy and Precision ± 3 % (based on full scale)
Resolution 0.005 mg/L
Calibration and cleaning Automated
Seibold Reagent kit Buffer and Dye Provided by Sigma Aldrich

 

MEASUREMENT INFORMATION

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

ENVIRONMENTAL DATA

Ambient operating temperature, sample temperature: 5 to 40°C
Ambient operating humidity: Up to 95 % RH non-condensing (below the condensation limit)

ELECTRICAL DATA

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
Screen
Color | TFT | Liquid Crystal Display (LCD) with built-in backlight | Brightness Adjustment.

MAINTENANCE

Maintenance interval: 3 months

Brand

Seibold

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