GB/T 5686.9-2023Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of manganese,silicon,phosphorus and iron content—Wavelength dispersive X-ray fluorescence spectrometry(Fused cast bead 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 9 of GB/T 5686. GB/T 5686 has released the following parts.

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese content by potentiometric titration, ammonium nitrate oxidation titration and high chlorine Acid oxidation titration;

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content by molybdenum blue spectrophotometry, potassium fluorosilicate titration and high Chloric acid gravimetric method;

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese phosphorus content by molybdenum blue spectrophotometry and bismuth phosphorus molybdenum blue spectrophotometry measure method;

---Determination of carbon content of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese by infrared absorption method, gas volume method, gravimetric method and library Lunfa;

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese sulfur content by infrared absorption method and combustion neutralization titration method;

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese, silicon, phosphorus and iron content by wavelength dispersive X-ray fluorescence spectroscopy method (cast glass sheet method).

Introduction

Since there are many detection elements involved in the detection process of manganese ferroalloys, the applicable scope and application methods of the elements are different. for To ensure the convenience and accuracy of manganese ferroalloy testing standards, we have established supporting manganese ferroalloy analysis methods for different elements.

It is a national standard system for ferroalloy testing. GB/T 5686 series of analysis methods for manganese ferroalloys are the basis for the detection of manganese ferroalloys in my country The standard consists of the following 6 parts.

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese content by potentiometric titration, ammonium nitrate oxidation titration and high chlorine Acid oxidation titration. The purpose is to measure the manganese content in manganese iron alloys, using potentiometric titration, ammonium nitrate oxidation titration and Perchloric acid oxidation titration.

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content by molybdenum blue spectrophotometry, potassium fluorosilicate titration and high Chloric acid gravimetric method. The purpose is to measure the silicon content in manganese iron alloys, using molybdenum blue spectrophotometry, potassium fluorosilicate titration and Perchloric acid gravimetric method.

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese phosphorus content by molybdenum blue spectrophotometry and bismuth phosphorus molybdenum blue spectrophotometry Law. The purpose is to measure the phosphorus content in manganese iron alloys, using molybdenum blue spectrophotometry and bismuth phosphorus molybdenum blue spectrophotometry.

---Determination of carbon content of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese by infrared absorption method, gas volume method, gravimetric method and library Lunfa. The purpose is to measure the carbon content in manganese iron alloys, using infrared absorption method, gas volume method, gravimetric method and library method. Lunfa.

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese sulfur content by infrared absorption method and combustion neutralization titration method. Purpose It is used to measure the sulfur content in manganese iron alloys, using infrared absorption method and combustion neutralization titration method.

---Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese, silicon, phosphorus and iron content by wavelength dispersive X-ray fluorescence spectroscopy method (cast glass sheet method). The purpose is to measure the contents of manganese, silicon, phosphorus and iron in manganese iron alloys, using wavelength dispersive X-ray Line fluorescence spectrum (cast glass plate method).

Ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese Determination of manganese, silicon, phosphorus and iron content Wavelength dispersive X-ray fluorescence spectrometry (Cast glass sheet method)

Warning---Personnel using this document should have practical experience in regular laboratory work. This document does not address all possible security issues question. 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 describes the use of wavelength dispersive X-ray fluorescence spectrometry (cast glass plate method) for the determination of ferromanganese, manganese-silicon alloys, ferromanganese nitrides and Method for the contents of manganese, silicon, iron and phosphorus in metallic manganese.

This document is applicable to the determination of manganese, silicon, iron and phosphorus content in ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese. 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 4010 Collection and preparation of samples for chemical analysis of iron alloys

GB/T 6379.1 Accuracy of measurement methods and results (correctness and precision) Part 1: General principles and definitions

GB/T 6379.2 Accuracy of measurement methods and results (correctness and precision) Part 2: Determination of repeatability of standard measurement methods Basic methods of sex and reproducibility

GB/T 6682 Specifications and test methods for water used in analytical laboratories

GB/T 8170 Numerical rounding rules and expression and determination of limit values

GB/T 15000.3 Standard sample working guidelines (3) General principles and statistical methods for determining the value of standard samples

GB/T 16597 General principles for analysis of metallurgical products by X-ray fluorescence spectrometry

GB/T 28372 General principles for sampling and preparation of ferroalloys

YB/T 082 Technical specifications for standard samples for analysis of metallurgical products