GB/T 24227-2009 in English

《GB/T 24227-2009铬矿石和铬精矿 硅含量的测定 分光光度法和重量法》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。
本标准规定了分光光度法和重量法测定铬矿石和铬精矿中硅含量。
本标准适用于铬矿石和铬精矿中硅含量的测定。测定范围(质量分数):分光光度法0.05% ~0.5%;重量法0.5%~15.0%,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 spectrophotometric and gravimetric method for the determination of silicon content in chrome ore and chrome concentrate. This standard applies to the determination of silicon content in chrome ore and chrome concentrate.