GB/T 4949-2026 Active National standards

GB/T 4949-2026 Chemical analysis methods for sacrificial anode of Al-Zn-In system alloy

GB/T 4949-2026 Chemical analysis methods for sacrificial anode of Al-Zn-In system alloy

Publish Date: 2026-01-28 Implement Date: 2026-08-01 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 4949-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for light metals and their alloys

ICS Name: Aluminum and aluminum alloys

Publish Date: 2026-01-28

Implement Date: 2026-08-01

Pages: 48 pages

Scope

This document specifies the method for determining the content of zinc, indium, cadmium, tin, magnesium, silicon, titanium, iron, copper, and lead in aluminum-zinc-indium alloy sacrificial anodes.
This document is applicable to the determination of the content of zinc, indium, cadmium, tin, magnesium, silicon, titanium, iron, copper, and lead in aluminum-zinc-indium alloy sacrificial anodes. The measurement range is shown in Table 1.

Development Information

Word Count: 79 Thousand words Pages: 48 pages

Replace the following standards

GB/T 4949-2018 Chemical analysis methods for sacrificial anodes of Al-Zn-In system alloy

Referenced Standards

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 14203-1993 General rule for photoelectric emission spectroscopic analysis of iron, steel and alloy GB/T 14203-2016 General rules for spark discharge atomic emission spectrometry JJG 768-2005 Emission Spectrometer

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