
AppliTek TOPHO - On-Line Total Phosphorus Analyzer
The unique character of theTOPHO On-line Total Phosphorus Analyzer allows operators of industrial and municipal water works to monitor and control in a convenient way the total portion of phosphorous. The analyzer shares similar wet-chemical oxidation techniques that are used for theTONI®On-line Total Nitrogen Analyzer. It runs a chemical analysis based on standard method 4500-P with ascorbic acid reduction and molybdate color solution after persulphate destruction.
Product Overview
The second generationTOPHO marks a dramatic difference with the older model, not only in appearance but also in mainframe and general architecture. Down-scaling the wet-chemical analytical unit was essential in the framework of a global upgrade of the analyzer. Where necessary, wet-chemical components were redesigned for seamless operation:
- Built-in smart automatic functions
- Shorter liquid pathways: reagents, cooling, drain
- Pinch valves outside the cabinet for distribution of cleaning, validation and/or calibration solutions
- Water-cooled reflux condenser for increased stability
- Transparent door allows instant 180° visual inspection
- Reduced environmental footprint (60% weight reduction)
Advanced Features
- On-line, automatic colorimetric measurements of total P conform standard method 4500-P
- Low temperature wet-chemical oxidation
- Second generation design with small footprint, shorter liquid pathways and simple maintenance
- Complete separation between electronics and wet part
- Multiplexing up to eight (8) sampling points possible
- Incorporated industrial PC with AppliTek controller software
- Extended data communication and exchange features
Specifications
- Standard method 4500-P
- Colorimetric measurement using ascorbic acid reduction and molybdate color solution after persulphate destruction in acidic medium
- One single range, factory set:
- 0 – 1 mg/L P
- 0 – 5 mg/L P
- 0 – 20 mg/L P
- Note: higher ranges available by sample dilution
- 30 minutes including oxidation of 10 minutes
- Note: oxidation time can be set to 60 minutes for difficult samples
- Factory calibrated
- Automatic, free adjustable sequence
- Better than 5 µg/l (range 0 – 1 mg/L)
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