GB/T 24221-2009 in English

VALID

Chromium ores—Determination of calcium and magnesium contents—EDTA titrimetric method

Issued on:2009-07-15
Implemented on:2010-04-01
File Format:PDF
Delivery:Via email within 1~3 business days

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Standard No:	GB/T 24221-2009
Document status:	VALID
Title in English:	Chromium ores—Determination of calcium and magnesium contents—EDTA titrimetric method
Title in Chinese:	铬矿石钙和镁含量的测定 EDTA滴定法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2009-07-15
Implemented on:	2010-04-01
ICS Classification:	73.060.30-Chromium ores
Chinese Classification:	D33-Chrome ore
Professional Classification:	GB-National Standard
Related Keywords:	magnesium contents edta magnesium content edta titration method titrimetric method scopewarning chromium ore
Related Topics:	Magnesium content edta edta calcium content isothermal titration Determination of calcium in niobium by edta complexometric titration edta+calcium+ titration Titration of total chromium time edta titration of edta edta titration of praseodymium edta titration of praseodymium and lead Determination of Calcium and Magnesium Content Spectrophotometric Method edta detection Calcium determination by edta complexometric titration edta complexometric titration calcium isothermal titration The titer when titrating nickel with edta Calcium and magnesium content Calcium content assay reagent edta titrated zirconium edta calcium edta calcium edta calcium magnesium complex edta calcium zinc Titration process Titrated and Titrated Determination of calcium and magnesium aas method edta titration edta titration edta titration of zirconium edta complexometric titration calcium edta back titration for the determination of cobalt EDTA Titration Copper Sample titration Detection of edta content calcium magnesium in chrome ore Calcium determination by edta complexometric titration Calcium Determination aas edta complexometric titration + determination of calcium edta gallium method edta titration Determination of calcium and magnesium content in water Determination of calcium and magnesium in water by edta complexometric titration calcium and magnesium Determination of calcium and magnesium content edta tube calcium magnesium content water Calcium content measured by icp Calcium and magnesium content in water edta titration edta calcium capacity edta stable How to test the content of calcium and magnesium tablets drop me magnesium edta's edta decalcification high in calcium and magnesium Titration of calcium and magnesium content in water edta and calcium complexes when using calcium in edta edta and calcium ions Determination method of calcium content in food Calcium by indirect titration titrate sample GBT24221 GB/T 24221-2009 tetrasodium edta Calcium and Magnesium Determination EDTA Titration calcium Water stable edta titration test How does EDTA titrate magnesium ions? EDTA titration principle of magnesium ions Calcium oxide content by EDTA method EDTA content detection EDTA preparation and calibration methods How to calibrate EDTA Determination of total calcium and magnesium EDTA method method validation What buret is used to measure calcium and magnesium? Calibration principle of EDTA EDTA titration of calcium Principle of edta titration of calcium and magnesium ions EDTA cement titration test Result error of calcium content determined by edta titration method Error analysis of water hardness measured by edta titration method Titration end point Chemical principles of EDTA titration edta titration ph range National chromium content Method for determining calcium and magnesium content in powder What instrument is used for calcium and magnesium titration determination? Calcium Hardness Titration Determination Method Pigment calcium and magnesium content What are the methods for measuring the quality of chromium-containing coatings? What are the methods to measure calcium content? Magnesium ion titration method Calcium content determination method titration Method for determination of calcium content in specimens Chromium content in lithium ore industry iso 铬滴定 EDTA preparation method The standard for calcium-rich ore is Magnesium drip experiment Oxalic acid titration method for determination of lithium content in ore Calcium ion determination calcium red titration method

《GB/T 24221-2009铬矿石钙和镁含量的测定 EDTA滴定法》由TC318（全国生铁及铁合金标准化技术委员会）归口，主管部门为中国钢铁工业协会。
本标准规定了EDTA 滴定法测定铬矿石中钙和镁含量。
本标准适用于铬矿石中钙和镁含量的测定。测定范围(质量分数):钙0.1%~3.20%,镁3.0%~12.00%,本标准应遵守GB/T24228的有关规定。

Scope

WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with relevant national regulations. This standard specifies the EDTA titration method for the determination of calcium and magnesium content in chrome ore. This standard applies to the determination of calcium and magnesium content in chromium ore. Measuring range (mass fraction): calcium 0.1%-3.20%, magnesium 3.0%-12.00%, this standard should comply with the relevant provisions of GB/T 24228.

More samples: JC/T 2453-2018 YD/T 3934-2021 DL/T 5154-2012

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