GB/T 5687.2-2007 in English

SUPERSEDED

Ferrochromium silicochromium and nitrogen-bearing ferrochromium—Determination of silicon content—The perchloric acid dehydration gravimetric method

Issued on:2007-12-18
Implemented on:2008-02-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $120.00
$117.00

Standard No:	GB/T 5687.2-2007
Document status:	SUPERSEDED
Superseded by:	GB/T 4699.8-2025 Ferrochromium, silicochromium, nitrogen-bearing ferrochromium and high nitrogen ferrochromium—Determination of silicon content—Silicomolybdenum blue spectrophotometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric method
Superseded on:	2026-03-01
Title in English:	Ferrochromium silicochromium and nitrogen-bearing ferrochromium—Determination of silicon content—The perchloric acid dehydration gravimetric method
Title in Chinese:	铬铁、硅铬合金和氮化铬铁硅含量的测定高氯酸脱水重量法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2007-12-18
Implemented on:	2008-02-01
Superseding:	GB/T 4699.1-1984 Methods for chemical analysis of silicochromium--The gravimetric method for the determination of silicon content GB/T 5687.2-1985 Methods for chemical analysis of ferro-chromium; The gravimetric method for the determination of silicon content
ICS Classification:	77.100-Ferroalloys
Chinese Classification:	H11-Steel and iron alloy analysis method
Professional Classification:	GB-National Standard
Related Keywords:	nitrogen-bearing ferrochromium determination perchloric acid dehydration silicon content ferrochromium silicochromium gravimetric method
Related Topics:	Silicon content Determination of silicon content FeCrAl content Silicon chrome Silicon chrome Silicon content Chromate detection Determination of silicon content Analysis of chromic acid content Chromium content in ferrochrome total nitrogen chromium acid chrome alloy Silicon chromate Nitrogen perchlorate total nitrogen chromium acid Ferrochrome solid perchloric acid solid perchloric acid Determination of Nitrogen Content by Perchloric Acid Method Chrome quality inspection silicon content Determination of silicon content Chromium ferrophosphorus alloy Determination of silicon content Heavy metal chromium agent icp ferrosilicon content Chromium content in wastewater Medium and low carbon ferrochrome High silicon content in metal Chromium content detection s chromium chloride Ferritic chromium content Total heavy metal content and chromium Silicon content Chrome silicon Silicon content Nitrogen degassing Chromium content in wastewater Trace Iron Content in Ferric Chloride Chromium content in nitric acid silicon block silicon content gravimetric method dehydration assay Chromate detection FeSiCr Determination of chromium content in sewage Iron silicon arsenic content Chromium ion content in water Determination of metal chromium silicon content perchloric acid gravimetric method Determination of metal chromium silicon content perchloric acid gravimetric method Iron content of FeCrAl chromic acid total nitrogen volume silicon and weight silicon Enthalpy of Hydration of Ferric Chloride Silicon chromium alloy Chromium content in Chromium aqua regia Chromium content and Chromium perchlorate Chromium iron silicon chromium A3 iron silicon content boron and iron, chromium and iron Ferrochromium Nitride Total Chlorine, Silicon GB/T 5687.2 GB/T 5687.2-1985 GB/T 5687.2-2007 Weight Silicon Capacity Silicon micro carbon ferrochrome Methods for chemical analysis of iron, steel and alloys - Perchloric acid dehydration gravimetric method for determination of silicon content chromium Silicon nitride nitrogen content Nitride brick iron content Steps for determining iron content using potassium dichromate Determination method for chlorine content of ferric oxyhydroxide desulfurizer Chromium ion content in reservoir National chromium content National standard content of ferrochromium nitride Chromium sulfate main content detection method ferrochromium alloy Ferrochrome alloy abroad Chromic acid mist quality FerroChrome International High carbon ferrochrome silicon content What are the methods for measuring the quality of chromium-containing coatings? Specification for ferrosilicon chromium powder Chromium content in drinking water Determination of trace silicon in water Ferrosilicon How to detect chromium content Chromium salt contains chromium Chromic acid content Determination method of silicon content in ferrosilicon Physical and chemical methods for detecting heavy metal chromium Non-standard method for determination of silicon perchloric acid in ferrosilicon What are the methods for determining silicon content in ferrosilicon? Chromium content of imported fruits

《GB/T 5687.2-2007铬铁、硅铬合金和氮化铬铁硅含量的测定高氯酸脱水重量法》由TC318（全国生铁及铁合金标准化技术委员会）归口，TC318SC1（全国生铁及铁合金标准化技术委员会化学分析分会）执行，主管部门为中国钢铁工业协会。
本标准规定了用高氯酸脱水重量法测定铬铁、硅铬合金和氮化铬铁中硅含量的试验方法

Scope

WARNING - Personnel using this section should have practical experience in formal laboratory work. This section does not address all possible security issues. Users are responsible for taking appropriate safety and health measures and ensuring compliance with relevant national regulations. This part of GB/T 5687 stipulates the determination of silicon content by perchloric acid dehydration gravimetric method. This part is applicable to the determination of silicon content in ferrochrome, vacuum micro-carbon ferrochrome, ferrochrome nitride and silicon-chromium alloy. The determination range (mass fraction): 0.10% to 60.00%.

More samples: NB/T 47013.2-2015 JJG 21-2008 GB 50021-2001(2009)

Sample only — not a preview of GB/T 5687.2-2007

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