GB/T 7728-2021 Active National standards

GB/T 7728-2021 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods

GB/T 7728-2021 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods

Publish Date: 2021-08-20 Implement Date: 2022-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 7728-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Baseline standards and general methods

ICS Name: Black metals

Publish Date: 2021-08-20

Implement Date: 2022-03-01

Pages: 16 pages

Scope

This document specifies the principles, reagents and materials, instrumentation, determination methods, preparation of calibration solutions, instrument preparation and performance requirements, and quantitative analysis methods for flame atomic absorption spectrometry in the chemical analysis of metallurgical products. This document is applicable to the application, research, and personnel training of flame atomic absorption spectrometry in the chemical analysis of metallurgical products.

Development Information

Word Count: 33 Thousand words Pages: 16 pages

Replace the following standards

GB/T 7728-1987

Referenced Standards

GB/T 4470-1998 Analytical spectroscopic methods—Flame emission, atomic absorption and atomic fluorescence—Vocabulary GB 4962-1985 Technical safety regulation for gaseous hydrogen use GB 4962-2008 Technical safety regulation for gaseous hydrogen use 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 6819-1996 Dissolved acetylene GB 6819-2004 Dissolved acetylene

Related Standards

GB/T 223.75-1991 Replaced

GB/T 223.75-1991 Methods for chemical analysis of iron, steel and alloy—The methanol distillation-curcumin photometric method for the determination of boron content

Publish Date: 1981-09-06

GB/T 3875-1983 Replaced

GB/T 3875-1983 Tungsten sheet

Publish Date: 1983-10-10

GB/T 3876-1983 Replaced

GB/T 3876-1983 Molybdenum and molybdenum alloy sheet

Publish Date: 1983-10-10

GB/T 3877-1983 Replaced

GB/T 3877-1983 Molybdenum foil

Publish Date: 1983-10-10

GB/T 223.38-1985 Active

GB/T 223.38-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-gravimetric method for the determination of niobium content

Publish Date: 1985-07-18

GB/T 223.40-1985 Replaced

GB/T 223.40-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content

Publish Date: 1985-07-18