russian version

 

X-ray Fluorescence Spectrometer - Analyzer      -     Sensor    "XFA - 200"

“XFA-200" "SENSOR”   

based on capillary optics (capillary sensor)

 

Energy Dispersive X-ray Fluorescence Spectrometer - Analyzer 

            FEATURES OF X-RAY SPECTROMETER

 

-      Portable and easy to use

-     Low total power consumption (less than 100 W)

-         Adaptable system allowing operation with many sensor cells mounted in different sites

 

     

 

Affordable cost, low maintenance expenditures

ADVANTAGES OF   X-RAY  SPECTROMETER  XFA-200

THE NEW LOW DETECTION LIMITS FOR EDXF ANALYSIS OF SOLUTIONS WITH THE USE OF POLYCAPILLARY CHEMICAL SENSORS

 

Energy dispersive X-ray fluorescence analysis is widely accepted as a method for determination of metals and other components in solutions with medium and relatively high concentrations of target elements. The detection limits of standard EDXF technique are around tens ppm.

A combination of EDXF analyzer with chemical sensors mounted in streams to be analyzed is the fresh approach of the Institute for Roentgen Optics to resolve these problems.  “XFA-200" "SENSOR” has the detection limits from hundreds to tens ppb for various metals in solutions. 

APPLICATION AREAS OF  THE X-RAY SPECTROMETER ANALYZER

-         Ecological monitoring

-         Control of potable water for water supply systems

-         Water preparing for power plants

-         Control of waste waters for industrial and agricultural plants

-         In-line and On-line control of technological processes for chemical industry, hydrometallurgy, galvanic production, pharmaceutics, food production and many more 

-         Criminalities

      -     Scientific investigations

  THE TECHNOLOGY OF THE X-RAY SPECTROMETER SENSOR XFA-200

New types of multi-use chemical sensors and sensor-based XF analytical instruments are elaborated at the Institute for Roentgen Optics.  The sensors are made using polycapillary tubes or plates consisting of hundred thousands micro-channels, each containing a micro-grain of sorbent. The population of micro-grains is arranged and entrapped at one of the ends of the polycapillary tube to form a sorption single layer, which is active to mass-exchange with the analyte.  The choice of sorbents is determined only by the type of elements or substances to be detected. The related XF instrument is very simple and consists of collecting and measuring chambers. The first one can be of  remote type; the stream of analyte is passed through it.

 

 

    SPECIFICATIONS OF THE X-RAY SPECTROMETER

  1. General

 

- Elemental analysis

-

qualitative and quantitative

 

- Range of identified elements

-

from Al to U

 

- Range of measurement for solutions

-

from 50 ppb to grams per liter

 

- Range of measurement for solids

- Number of concurrently identified elements

-

-

from 50 ppm to 100%

up to 20

 

- Time of analysis with one (1) sensor cell*

- Service life of each sensor

 

-

-

from 10 to 120 min

more than 1 year

 

 

  

2. The equipment complete set

 

 

- The accumulating chamber for a sensor with the channel to pass a solution, and a special system activation for carrying over the weight
- Two micropumps for pumping in and out the solution
- The measuring chamber of a sensor
- A set of replaceable sensors
- The chamber of the direct analysis of solutions and firm substances
- The X-ray source and the special power supplier
- A Rentgenospektralnyj fluorescent detector with the analyzer
 

*Effectiveness depends on the number of sensors

 

 Chemical sensors for solutions analysis (article in rus.)

 

 

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