GB/T 4702.2-2008 in English
SUPERSEDEDChromium metal - Determination of silicon content - The perchloric acid gravimetric method
- Issued on:2008-05-13
- Implemented on:2008-11-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$78.00
《GB/T 4702.2-2008金属铬 硅含量的测定 高氯酸重量法》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。
本部分代替GB/T4702.2―1984《金属铬化学分析方法 高氯酸脱水重量法测定硅量》。本部分规定了高氯酸重量法测定金属铬中硅含量。本部分适用于金属铬中硅含量的测定。测定范围(质量分数):0.10%-0.50% 。本部分与GB/T4702.2―1984比较,主要不同如下:
―――标准中增加了警告用语;
―――增加了“规范性引用文件”和“试验报告”部分。
Scope
WARNING: Personnel applying this standard should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part specifies the perchloric acid gravimetric method for the determination of silicon content in metallic chromium. This section applies to the determination of silicon content in chromium metal. Measuring range (mass fraction): 0.10% to 0.50%.

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