GB/T 3884.21-2018Methods for chemical analysis of copper concentrates－Part 21:Determination of copper,sulfur,lead,zinc,iron, aluminium,calcium,magnesium,manganese content－Wavelength dispersive X-ray fluorescence spectrometric method (English PDF)

Foreword

GB/T 3884 "Chemical Analysis Method for Copper Concentrate" is divided into 21 parts.

--- Part 1. Determination of copper content iodometric method;

--- Part 2. Determination of gold and silver content by flame atomic absorption spectrometry and fire assay method;

--- Part 3. Determination of sulfur content by gravimetric method and combustion - titration method;

--- Part 4. Determination of magnesium oxide content by flame atomic absorption spectrometry;

---Part 5. Determination of the amount of fluorine ion selective electrode method;

---Part 6. Determination of lead, zinc, cadmium and nickel - Atomic

---Part 7. Determination of lead content by Na2EDTA titration;

---Part 8. Determination of zinc content by Na2EDTA titration;

-- Part 9. Determination of the amount of arsenic and bismuth hydride - hydride generation - atomic fluorescence spectrometry, potassium bromate titration and diethyl dithio Silver formate spectrophotometry;

---Part 10. Determination of enthalpy - hydride generation - atomic fluorescence spectrometry;

--- Part 11. Determination of mercury content by cold atomic absorption spectrometry;

--- Part 12. Determination of fluorine and chlorine content by ion chromatography;

--- Part 13. Determination of copper content by electrolysis;

--- Part 14. Determination of the amount of gold and silver - Fire weight method and atomic absorption spectroscopy;

---Part 15. Determination of iron content - Potassium dichromate titration;

---Part 16. Determination of the amount of silica - Potassium fluorosilicate titration and gravimetric method;

---Part 17. Determination of the amount of aluminium oxide - chrome azurol S micellar solubilizing photometric method and precipitation separation - fluoride salt replacement - Na2EDTA titration;

---Part 18. Determination of arsenic, antimony, bismuth, lead, zinc, nickel, cadmium, cobalt, magnesium oxide, calcium oxide Shot spectroscopy

---Part 19. Determination of enthalpy - inductively coupled plasma mass spectrometry;

--- Part 20. Determination of mercury content - Direct method of solid injection;

--- Part 21. Determination of copper, sulfur, lead, zinc, iron, aluminium, calcium, magnesium and manganese.

This part is part 21 of GB/T 3884.

This part is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This part of GB/T 3884 specifies the determination of copper, sulfur, lead, zinc, iron, aluminum, calcium in copper concentrate by wavelength dispersive X-ray fluorescence spectrometry. Method of magnesium and manganese content.

This section applies to the determination of copper, sulfur, lead, zinc, iron, aluminum, calcium, magnesium and manganese in copper concentrate. The measurement range (mass fraction) is shown in Table 1.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 8170 Digital Rounding Rules and Representation and Determination of Limit Values

GB/T 14263 bulk flotation copper concentrate sampling, sample preparation method

GB/T 16597 Methods of analysis of metallurgical products - General rules for X-ray fluorescence spectrometry

JJG810 wavelength dispersive X-ray fluorescence spectrometer

3 Method summary

Under the action of sodium carbonate and lithium nitrate, low-priced elements are oxidized to high-priced elements. The sample was mixed with tetraboric acid at a dilution ratio of about 1.83 […]