TXRF8 total reflection X ray fluorescence analyzer

Introduction

Total reflection X-ray fluorescence (TXRF) analysis technology is only in recent years developed multi-element analysis techniques. TXRF using total reflection , the sample fluorescence over the background spurious energy dispersive X-ray fluorescence spectrometer (EDXRF) lower at the end of the order of about four , thereby greatly improving the energy resolution and sensitivity , to avoid the case normally measured by XRF the background to enhance or diminish effects ; while TXRF technique also inherited the EDXRF method superiority. It highlights the advantages of low detection limit (pg, ng / mL level and below ) , with a small sample (μL, ng level ) , high accuracy ( available internal standard method ) , simple, fast, and can be destructive analysis , become an irreplaceable new elemental analysis . International meets biennially International Symposium TXRF analysis techniques , the technique known as in the analysis of the most competitive areas of analytical tools in the field of atomic spectroscopy in a leading position .

          In the range of X-ray fluorescence spectrometer with wavelength dispersive spectroscopy (WDXRF) methods, because TXRF analysis techniques with the kind of small, does not require the cumbersome process of making samples , and no increase or decrease the effect of the background , not every a substrate made of different type of substrate calibration curve. In addition, as the internal standard method , and other requirements of the ambient temperature is very low . Thus in convenience , economy , etc. with a small sample , than WDXRF approach has obvious advantages.

In the field of elemental analysis , TXRF technology from sodium (11Na) to uranium (92U) to analyze all the elements , one can nearly simultaneous analysis of 30 elements , which is the atomic absorption spectrometer in ETAAS and FAAS methods are difficult be done. With a mass spectrometer in GDMS and ICP-MS and neutron activation analysis (NAA) and other methods compared , TXRF analysis in rapid, simple , economical , multi-element analysis, using small sample , low detection limit , quantitative good , and so has the comprehensive advantages .

 Features:

 Geological mining: gold ore, copper concentrate and nickel concentrate, fluorite, feldspar, antimony oxide

 Metallurgical nickel electrolyte, copper anode slime, precious metals, the spectrum of high grade nickel pure Rh, gold and silver jewelry, cast iron, bearing

 Chemical industry: the sulfur content in diesel oil, all kinds of catalysts, ceramic glaze

 Environmental protection, water, atmosphere, fly ash and sewage sludge

 Biology: Marine animals of the teeth and body fluids

 Medicine: the beneficial and harmful element in the hair and nails, harmful trace elements in salvia miltiorrhiza

The elements in the food, beverage

Forensic medical examiner: sample survey on site

Archaeology: bronze wares, etc

Material: high purity quartz content of impurities, KTP crystals into the cognizance of the Er

 Technical parameters

1. The absolute lowest detection limit: pg 10-12 (g);

2. The minimum relative detection limit: ng/mL level (10 to 9);

3. The repetitive: 1% 3% (from constants to the concentration of 0.50 mg/L - 2.000 mg/L)

4. Stability: 2% to 4% (from constants to the concentration of 0.50 mg/L - 2.000 mg/L)

5. Number of single element analysis at the same time: nearly 30 kinds of;

6. Analysis element range: Na - U

7. Sample usage: mu, mu L g level;

8. Quantitative methods: basic parameter method; Internal standard method.

9. Measuring time: less than 1000 s

Drive power: less than 500 w

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