GB/T 7729-2021 Active National standards

GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods

GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric 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 7729-2021

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: 11 pages

Scope

This document specifies the principles, reagents and materials, instruments and equipment, instrument operation methods, sample preparation, measurement, and precision of spectrophotometry (hereinafter referred to as "photometry") for the chemical analysis of metallurgical products.
This document is applicable to the application, research, and personnel training of photometry for the chemical analysis of metallurgical products.

Development Information

Word Count: 21 Thousand words Pages: 11 pages

Replace the following standards

GB/T 7729-1987

Referenced Standards

GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions 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 8322-1987 Molecular absorption spectrometry—Terminology GB/T 8322-2008 Molecular absorption spectrometry—Terminology GB/T 26798-2011 Single beam UV/VIS spectrophotometer GB/T 26810-2011 Visible spectrophotometer GB/T 26813-2011 Double beam UV/VIS spectrophotometer

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