Sodium
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The determination of dissolved silicic acid (ortho-silicate) in the watersteam cycle is of great importance for the operation and plant safety in power plants. In addition to the determination of ortho-silicate in the live steam in order to avoid deposits or crystallisation inside the turbine, it is possible to detect an aperture in the anion filter or mixed bed exchanger.The Digox 602 silica is constantly being developed and is in accordance with the physical-chemical measuring method of the new VGB guidelines S-006 for the quantitative detection of dissolved silicic acid. A photometric procedure with a detection limit of 0.5 ppb is used which is ideally suited for the determination of silicic acid in ultra pure power plant water.
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Product Brochure
| Power Supply | 100 - 240 VAC 50/60 Hz, 150 VA, battery-free parameter storage |
| Measuring range | 0.1 - 2000 ppb Na |
| Measuring principle | potential measurement of an ion-sensitive Na-electrode against a reference electrode |
| Display | graphic display, measuring value for each channel with point in time and operating condition |
| Accuracy | Maximum {+-2 % of reading or +-2 ppb} |
| Repeatability | Maximum {+-2 % of reading; +-2 ppb} |
| Calibration | three-point calibration with 10 ppb, 100 ppb and 1000 ppb Na+ using standard addition |
| Reagents | 0.5 l standard solution; 1.0 l diisopropylamine (alkalisation) or NH3 (solution) |
| Data Interface | USB |
| Operation | password protection for the menu-led entry of threshold and calibration values |
| Response time | 180 seconds (95 %) |
| Ambient conditions | +5 - +40 DegreeC, storage and transport 0 - 50 DegreeC 1), relative humidity 30 - 95 % |
| Sample conditioning | at least 1.0 bar / 10-15 l/h, 10-45 DegreeC |
| Protective system | IP 65 (Electrical Parts) |
The determination of dissolved silicic acid (ortho-silicate) in the watersteam cycle is of great importance for the operation and plant safety in power plants. In addition to the determination of ortho-silicate in the live steam in order to avoid deposits or crystallisation inside the turbine, it is possible to detect an aperture in the anion filter or mixed bed exchanger.The Digox 602 silica is constantly being developed and is in accordance with the physical-chemical measuring method of the new VGB guidelines S-006 for the quantitative detection of dissolved silicic acid. A photometric procedure with a detection limit of 0.5 ppb is used which is ideally suited for the determination of silicic acid in ultra pure power plant water.
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PRASHANT JETHABHAI THAKKAR (Director)
Potence Controls Pvt. Ltd.
G-416a, Kailas Industrial Complex, 90 Feet D.P. Road, Parksite Vikhroli West
Mumbai - 400079, Maharashtra, India
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