GB/T 40342-2021 Active National standards

GB/T 40342-2021 Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire

GB/T 40342-2021 Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire

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 40342-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for light metals and their alloys

ICS Name: Wire, steel wire rope, and link chains

Publish Date: 2021-08-20

Implement Date: 2022-03-01

Pages: 6 pages

Scope

This document specifies the principle, reagents, analytical steps, calculation of analysis results, precision, quality assurance and control, and test reports for determining the aluminum content in hot-dip galvanized aluminum alloy coatings on steel wires using chemical titration. This document is applicable to the determination of aluminum content in hot-dip galvanized aluminum alloy coatings on steel wires, with a measurement range of 2.5% to 30% for aluminum content.

Development Information

Word Count: 12 Thousand words Pages: 6 pages

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 1839-2003 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products GB/T 1839-2008 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products 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 GB/T 1839-2025 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products

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