GB/T 6730.85-2023

Active

Iron ores—Preparation and certification of certified reference materials for use in chemical analysis

铁矿石 化学分析用有证标准样品的制备和定值

Standard Type
GBT
ICS
73.060.10
CCS
D31
Status
Active
Issue Date
2023-08-06
Implementation
2024-03-01
Centralized Committee
中国钢铁工业协会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies the procedures for preparing and certifying reference materials used to calibrate instruments and validate methods in the chemical analysis of iron ores. It is applied by mining laboratories, inspection agencies, and steel manufacturers to ensure the accuracy and traceability of test results for elements such as iron, silicon, and aluminum. The standard is critical for quality control in iron ore trading, beneficiation processes, and metallurgical production.

Related Standards

GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates--Determination of iron content--The cerium sulfate titrimetric method GB/T 1819.5-2004 Methods for chemical analysis of tin concentrates--Determination of arsenic content--The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titrimetric method GB/T 1819.2-2004 Methods for chemical analysis of tin concentrates--Determination of tin content--The potassium iodate titrimetric method GB/T 1819.13-2004 Methodsfor chemical analysis of tin concentrates--Determination of magnesium oxide andcalcium oxide contents--Flame atomic absorption spectrometric method GB/T 1819.12-2004 Methods for chemical analysis of tin concentrates--Determination of silicon dioxide content--The silicomolybdenum blue spectrophotometric method GB/T 1819.4-2004 Methodsfor chemical analysis of tin concentrates--Determination of lead content--Flameatomic absorption spectrometric method and EDTA titrimetric method GB/T 1819.8-2004 Methods for chemical analysis of tin concentrates--Determination of zinc content--Flame atomic absorption spectrometric method
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.