GB/T 20899.15-2023Methods for chemical analysis of gold ores—Part 15: Determination of copper， lead， zinc， silver， iron， manganese， nickel， cobalt， aluminum， chromium， cadmium， antimony， bismuth， arsenic， mercury， selenium， barium and beryllium contents—Inductively coupled plasma mass spectrometry method (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

This document is Part 15 of GB/T 20899 "Chemical Analysis Methods for Gold Ore". GB/T 20899 has released the following 14 part.

---Part 1: Determination of gold quantity;

---Part 2: Determination of silver content by flame atomic absorption spectrometry;

---Part 3: Determination of arsenic content;

---Part 4: Determination of copper content;

---Part 5: Determination of lead content;

---Part 6: Determination of zinc content;

---Part 7: Determination of iron content;

---Part 8: Determination of sulfur content;

---Part 9: Determination of carbon content;

---Part 10: Determination of antimony amount;

---Part 12: Determination of arsenic, mercury, cadmium, lead and bismuth by atomic fluorescence spectrometry;

---Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury by inductively coupled plasma atomic emission spectrometry;

---Part 14: Determination of thallium content by inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry;

---Part 15: Determination of copper, lead, zinc, silver, iron, manganese, nickel, cobalt, aluminum, chromium, cadmium, antimony, bismuth, arsenic, mercury, selenium, barium and beryllium content inductance Coupled plasma mass spectrometry.

Introduction

GB/T 20899 "Methods for Chemical Analysis of Gold Ore" aims to help gold industrial and mining enterprises accurately understand the valuable elements and impurity content of gold ore.

It is conducive to optimizing the control parameters of the selection and smelting process, accurately controlling the consumption of chemicals, reducing the interference of impurity elements on the smelting and purification process, and improving the efficiency of each process.

The comprehensive recovery rate of valuable elements can contribute to the efficient recycling of resources in the entire gold industry, sustainable green and healthy development and the construction of smart mines.

Provide technical support. GB/T 20899 is planned to consist of 14 parts.

---Part 1: Determination of gold quantity. The purpose is to specify the fire assay gravimetric method and fire assay enrichment-flame method for determination of gold content in gold ores.

Atomic absorption spectrometry, activated carbon enrichment-flame atomic absorption spectrometry, activated carbon enrichment-iodometric method and determinations applicable to each method scope.

---Part 2: Determination of silver content by flame atomic absorption spectrometry. The purpose is to specify the flame atom for the determination of the amount of silver in gold ores. Absorption spectrometry and applicable measurement range.

---Part 3: Determination of arsenic amount. Silver diethyldithiocarbamate spectrophotometry for the purpose of specifying the determination of arsenic in gold ores titration method and potassium dichromate titration method and the applicable measurement ranges of each method.

---Part 4: Determination of copper content. The purpose is to specify flame atomic absorption spectrometry and thiosulfate for the determination of copper in gold ores.

Sodium titration method and the applicable measurement range of each method.

---Part 5: Determination of lead content. The purpose is to specify the flame atomic absorption spectrometry and ethylene diamine tetrafluoroethylene method for the determination of lead in gold ores.

Disodium acetate titration method and the applicable measurement range of each method.

---Part 6: Determination of zinc content. The purpose is to specify the flame atomic absorption spectrometry method and applicable test methods for the determination of zinc content in gold ores. Determine the scope.

---Part 7: Determination of iron content. The purpose is to specify the potassium dichromate titration method for the determination of iron in gold ores and its applicable assays. scope.

---Part 8: Determination of sulfur content. The purpose is to specify the barium sulfate gravimetric method and the combustion-acid-base titration method for the determination of sulfur in gold ores. and the applicable measurement range of each method.

---Part 9: Determination of carbon content. The purpose is to specify the ethanol-ethanolamine-potassium hydroxide titration method for the determination of carbon content in gold ores and Applicable measuring range.

---Part 10: Determination of antimony amount. The purpose is to specify the cerium sulfate titration method and hydride generation-origin for the determination of the amount of antimony in gold ores. Sub-fluorescence spectrometry and the applicable measurement range of each method.

---Part 12: Determination of arsenic, mercury, cadmium, lead and bismuth by atomic fluorescence spectrometry. The purpose is to regulate arsenic, mercury, cadmium, Hydride generation-atomic fluorescence spectrometry for determination of lead and bismuth and its applicable range of determination.

---Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury by inductively coupled plasma atomic emission spectrometry. The purpose is Inductively coupled plasma atomic emission spectrometry method and application for determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury in specified gold ores measuring range.

---Part 14: Determination of thallium content by inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry. Head The requirements lie in the inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry that specify the determination of thallium content in gold ores. method and the applicable measurement range of each method.

---Part 15: Determination of the amount of copper, lead, zinc, silver, iron, manganese, nickel, cobalt, aluminum, chromium, cadmium, antimony, bismuth, arsenic, mercury, selenium, barium and beryllium inductive coupling Combined plasma mass spectrometry. The purpose is to regulate copper, lead, zinc, silver, iron, manganese, nickel, cobalt, aluminum, chromium, cadmium, antimony, bismuth, arsenic, Inductively coupled plasma mass spectrometry for determination of mercury, selenium, barium and beryllium and its applicable range of determination.

Warning: Personnel using this document should have practical experience in regular laboratory work. This document does not identify all possible security issues.

Users are responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national regulations.

1 Scope

This document specifies the determination of copper, lead, zinc, silver, iron, manganese, nickel, cobalt, aluminum, chromium, cadmium, antimony, bismuth, arsenic, mercury, selenium, barium and beryllium in gold ores. method.

This document is applicable to the determination of copper, lead, zinc, silver, iron, manganese, nickel, cobalt, aluminum, chromium, cadmium, antimony, bismuth, arsenic, mercury, selenium, barium and beryllium in gold ores.

The determination range of each element is shown in Table 1.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 17433 Basic terminology for chemical analysis of metallurgical products

3 Terms and definitions

The terms and definitions defined in GB/T 17433 and the following apply to this document.