GB/T 4333.12-2025Ferrosilicon - Determination of lead, tin, arsenic, antimony and bismuth contents - Inductively coupled plasma mass spectrometric method (ICP-MS) (English PDF)

1 Scope

This document describes a method for determining the content of lead, tin, arsenic, antimony, and bismuth using inductively coupled plasma mass spectrometry (ICP-MS).

This document applies to the determination of lead, tin, arsenic, antimony and bismuth content in ferrosilicon. The determination range is shown in Table 1.

Table 1 Elements and Measurement Range

Analyze elements

Measurement range (mass fraction)/%

0.000 5~0.050

0.000 5~0.050

0.000 5~0.050

0.000 5~0.050

0.000 5~0.050

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 4010 Sample collection and preparation for chemical analysis of ferroalloys

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

GB/T 6379.2 Accuracy (correctness and precision) of measurement methods and results - Part 2.Determining the repeatability of standard measurement methods

Basic methods of sex and representation

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

GB/T 12806 Laboratory Glassware - Single-mark volumetric flasks

GB/T 12808 Laboratory Glassware - Single-mark Pipettes

3 Terms and Definitions

This document does not contain any terms or definitions that need to be defined. […]