GB/T 18882.4-2024 Active National standards

GB/T 18882.4-2024 Chemical analysis methods of mixed rare earth oxide of ion-absorption rare earth ore—Part 4:Determination of iron trioxide content—Inductively coupled plasma atomic emission spectrometry

GB/T 18882.4-2024 Chemical analysis methods of mixed rare earth oxide of ion-absorption rare earth ore—Part 4:Determination of iron trioxide content—Inductively coupled plasma atomic emission spectrometry

Publish Date: 2024-11-28 Implement Date: 2025-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 18882.4-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for rare metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2024-11-28

Implement Date: 2025-06-01

Pages: 12 pages

Scope

This document describes the method for determining the content of ferric oxide in ionic rare earth ores, mixed rare earth oxides, and rare earth carbonates.
This document is applicable to the determination of ferric oxide content in mixed rare earth oxides from ionic rare earth ores, as well as in rare earth carbonates and rare earth oxalates. The measurement range (mass fraction): 0.010% to 1.80%.

Development Information

Word Count: 17 Thousand words Pages: 12 pages

Referenced Standards

GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values JJG 768-2005 Emission Spectrometer

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