Standard No.:	GB/T 6609.2-2009
English Name:	Chemical analysis methods and determination of physical performance of aluminium hydroxide - Part 2: Determination of loss of mass at 300℃ and 1000℃
Chinese Name:	氧化铝化学分析方法和物理性能测定方法 第2部分：300℃和1000℃质量损失的测定
Chinese Classification:	H12    Light metals and their alloys analysis method
Professional Classification:	GB    National Standard
ICS Classification:	71.100.10 71.100.10    Materials for aluminium production 71.100.10
Source Content Issued by:	CNIA
Issued on:	2009-4-15
Implemented on:	2010-2-1
Status:	superseded
Superseded by:	GB/T 6609.2-2022 Chemical analysis methods and determination of physical performance of alumina—Part 2: Determination of loss of mass at 300 ℃ and 1000 ℃
Superseded on:	2022-10-1
Superseding:	GB/T 6609.2-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of the loss of mass at 1100°C-Gravimetric method GB/T 6609.1-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of moisture-Gravimetric method
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

GB/T6609的本部分规定了氧化铝在300 ℃和1000 ℃下质量损失的测定方法。依照惯例,用水分(MOI)表示300℃的质量损失,用灼减(LOI)表示1000 ℃的质量损失。
本部分适用于焙烧的氧化铝中质量损失的测定。300 ℃ 质量损失的测定范围:0.2% ~5%;1000 ℃ 质量损失的测定范围:0.1%~2%。
本部分规定在测量样品MOI和LOI值时,需提供测量结果的原始数据。为了提高样品的分析精
密度,样品应该在分析前进行空气平衡,空气平衡能显著影响MOI和LOI的测量结果。空气平衡的步骤和造成的影响见附录A。
本部分还将涉及到仪器分析方法。