GB/T 34213-2017 Replaced National standards

GB/T 34213-2017 High purity alumina for sapphire substrate

GB/T 34213-2017 High purity alumina for sapphire substrate

Publish Date: 2017-09-07 Implement Date: 2018-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 34213-2017

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Light metals and their alloys

ICS Name: Aluminum and aluminum alloys

Publish Date: 2017-09-07

Implement Date: 2018-06-01

Pages: 6 pages

Scope

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, storage, quality certificates, and order forms (or contracts) for high-purity alumina used in sapphire substrates. This standard applies to high-purity alumina used in sapphire substrates (hereinafter referred to as high-purity alumina). High-purity alumina for other applications can refer to this standard for implementation. The molecular formula of high-purity alumina is Al2O3, with a relative molecular mass of 101.96 and a crystal form of α.

Development Information

Word Count: 10 Thousand words Pages: 6 pages

Superseded by the following standards

GB/T 34213-2023 High purity alumina for sapphire single crystal

Referenced Standards

GB/T 6609.22-2004 Chemical analysis methods and determination of physical performance of alumina—Sampling GB/T 6609.26-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of absolute density-Pycnometer method GB/T 14264-1993 Semiconductor materials—Terms and definitions GB/T 14264-2009 Semiconductor materials—Terms and definitions GB/T 14264-2024 Terminology of semiconductor materials GB/T 16418-1996 Particle system—Vocabulary GB/T 16418-2008 Particle system—Vocabulary JC/T 2147-2012 Method for the determination of trace metal elements in high purity aluminum oxide using plasma emission spectroscopy

Related Standards

GB/T 3250-1982 Replaced

GB/T 3250-1982 Aluminium and aluminium alloys—Riveting test method for rivet wire

Publish Date: 1982-06-21

GB/T 3251-1982 Replaced

GB/T 3251-1982 Aluminium and aluminium alloys—Compression test method for tubes

Publish Date: 1982-06-21

GB/T 3252-1982 Replaced

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Publish Date: 1982-06-21

GB/T 3172-1982 Abolished

GB/T 3172-1982 Determination of adhesion ratio of aluminium powder Steel plate method

Publish Date: 1982-08-19

GB/T 3173-1982 Abolished

GB/T 3173-1982 Determination of coating surface of aluminium powder on water

Publish Date: 1982-08-19

GB/T 4438-1984 Replaced

GB/T 4438-1984 Aluminium and aluminium alloy corrugated sheets

Publish Date: 1984-05-29