YS/T 581.18-2012Chemical analysis methods and physical properties of Aluminum Fluoride. Part 18: X-ray fluorescence spectrometric method for the determination of elements content using pressed powder tablets (English PDF)

Foreword

YS/T 581 "aluminum fluoride chemical analysis methods and determination of physical performance" is divided into 18 parts.

--- Part 1. Determination of the content of water in wet weight method;

--- Part 2. Determination of burning reductions;

--- Part 3. Determination of fluorine content;

--- Part 4. Determination of aluminum content - EDTA volumetric method;

--- Part 5. Determination by flame atomic absorption spectrometry sodium content;

--- Part 6. molybdenum blue spectrophotometric determination of silicon dioxide content;

--- Part 7. phenanthroline spectrophotometric determination of ferric oxide content;

--- Part 8. Determination of sulfate content barium sulphate gravimetric method;

--- Part 9. molybdenum blue spectrophotometric determination of phosphorus pentoxide content;

Part --- Article 10. X-ray fluorescence spectrometric method for the determination of sulfur content;

--- Part 11. sample preparation and storage;

--- Part 12. Determination of particle size distribution by sieving;

--- Part 13. Determination of angle of repose;

--- Part 14. Determination of bulk density;

--- Part 15. Determination of free alumina content;

--- Part 16. Determination of Elements in X-ray fluorescence spectrometry;

--- Part 17. Determination of flow;

--- Part 18. Determination of Elements in X-ray fluorescence spectroscopy (tablet) method.

This section YS/T 581 Part 18.

This section drafted in accordance with GB/T 1.1-2009 given rules.

The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.

This section is drafted. Fluoride Chemicals Co., Ltd., Henan Branch of Aluminum Corporation of China, Xinjiang Zhonghe have Limited.

1 Scope

YS/T 581 This part provides X-ray fluorescence spectroscopy (tablet) Determination of aluminum fluoride, fluorine, aluminum, sodium, silicon, iron, sulfur, phosphorus Methods (respectively F, Al, Na, SiO2, Fe2O3, SO2-4, P2O5 represented) and other elements.

This section applies to the determination of fluorine, aluminum, sodium, silicon, iron, sulfur, phosphorus and other elements of aluminum fluoride. Determination of the range in Table 1.

Table 1

Component measuring range/measuring range component% /% F 57 ~ 66 Fe2O3 0.010 ~ 0.130 Al 30 ~ 35 SO2-4 0.07 ~ 0.80 Na 0.042 ~ 0.120 P2O5 0.0019 ~ 0.1500 SiO2 0.008 ~ 0.400 - -

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

YS/T 581.11-2006 aluminum fluoride preparation and storage of chemical analysis methods and determination of physical performance - Part 11 samples

3 PRINCIPLE OF THE METHOD

A certain proportion of the sample and dispersant mixing, milling, and then pressed into samples. Measured by X-ray fluorescence spectrometer. root According to the standard samples in the calibration curve to calculate the intensity of each element content of each element in the sample.

4 Reagents

4.1 acetone. AR.

4.2 ethanol. AR.

4.3 boric acid. AR.

5 Instruments

5.1 wavelength dispersive X-ray fluorescence spectrometer.

5.2 vibration mill and tungsten carbide disc. disc to be able to grind the sample 30g or so is appropriate.

5.3 tablet press and die. pressing thickness of at least 4mm, pressure of about 35t, mold inside diameter and X-ray fluorescence analyzer sample cup match.