Method for detecting magnesium content in zinc-aluminum-magnesium plating solution

CN121208248BActive Publication Date: 2026-08-28山西建龙实业有限公司
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Patent Information

Application Number
CN202511556492.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-10-29
Publication Date
2026-08-28
Estimated Expiration
2045-10-29

AI Technical Summary

Technical Problem

[0004]目前，锌液中Mg含量国家标准分析方法采用ICP法，不仅需要高昂的检测设备，同时检测含量是微量检测，同时对曲线建立要求严格，确保基体一致性，检测范围窄，操作步骤繁琐，分析周期长，用于常量分析，误差大；光谱法对试样要求很高，锌液制备过程容易发生偏析，上下面成分不均匀，检测数据不具代表性，因此，有必要探索一种简单高效准确的锌液中镁含量检测方法

Benefits of technology

本技术方案相比ICP（检测范围窄，0.005-0.5%），检测方案快速准确、检测成本低廉且检测范围广。

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Abstract

The application discloses a kind of detection methods of magnesium content in zinc-aluminum-magnesium plating solution, belong to chemical analysis technical field.The detection method includes: (1) sample preparation;(2) preparation of mother liquor;(3) zinc, magnesium total amount test: first using NH3-NH4Cl buffer solution to adjust pH=10.0, using masking agent to mask iron and aluminum, chromium black T+methyl thymol blue composite indicator is determined Zn 2+ , Mg 2+ Total amount, (4) zinc content test;(5) magnesium content test: the volume total amount (V1) of zinc, magnesium consumption EDTA is subtracted Zn 2+ Consumption volume amount (V2) of EDTA obtains Mg 2+ Consumption volume amount of EDTA;Then magnesium content is obtained by formula calculation;(6) blank test.The application compared with ICP, detection scheme is fast and accurate, detection cost is low and detection range is wide.
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Citation Information

Patent Citations

  • Method for measuring magnesium and zinc content in alloy at same time and application thereof

    CN105891408A

  • Method for testing magnesium content in zinc alloy bath for hot dipping

    CN113504335A