YS/T 534.2-2007 English PDF

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YS/T 534.2-2007: Chemical analysis methods of aluminium hydroxide. Part 2: Determination of the loss of mass at 1100 Celsius. Gravimetric method
Status: Valid

YS/T 534.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 534.2-2007	179	Add to Cart	2 days	Chemical analysis methods of aluminium hydroxide. Part 2: Determination of the loss of mass at 1100 Celsius. Gravimetric method	Valid
YS/T 534.2-2006	199	Add to Cart	2 days	Chemical analysis methods of aluminium hydroxide. Determination of the loss of mass at 1100 Celsius. Gravimetric method	Obsolete

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Basic data

Standard ID: YS/T 534.2-2007 (YS/T534.2-2007)
Description (Translated English): Chemical analysis methods of aluminium hydroxide. Part 2: Determination of the loss of mass at 1100 Celsius. Gravimetric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H12
Classification of International Standard: 71.060.40
Word Count Estimation: 5,518
Date of Issue: 2007-11-14
Date of Implementation: 2008-05-01
Older Standard (superseded by this standard): YS/T 534.2-2006
Regulation (derived from): NDRC Notice No. 77 of 2007
Issuing agency(ies): National Development and Reform Commission
Summary: This standard specifies the aluminum hydroxide LOI measurement method. This standard applies to aluminum hydroxide LOI determination. Measuring range: 25. 00% ~ 35. 00%.

YS/T 534.2-2007: Chemical analysis methods of aluminium hydroxide. Part 2: Determination of the loss of mass at 1100 Celsius. Gravimetric method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Chemical analysis methods of aluminium hydroxide.Part 2. Determination of the loss of mass at 1100 Celsius.Gravimetric method ICS 71.060.40 H12 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 534.2-2006 Methods for chemical analysis of aluminum hydroxide Part 2. Determination of burning weight loss method Posted 2007-11-14 2008-05-01 implementation National Development and Reform Commission issued

Foreword

YS/T 534-2007 "chemical analysis of aluminum hydroxide" is YS/T 534-2006 (formerly GB/T 6610-2003) amendments It is divided into five parts. --- Part 1. Determination of moisture content - Gravimetric method --- Part 2. loss on ignition - Gravimetric method --- Part 3. Determination of silica content molybdenum blue photometric --- Part 4. Determination of iron oxide content phenanthroline spectrophotometry Determination of sodium oxide content. Part 5 --- This is Part 2. The partial replacement of YS/T 534.2-2006 (formerly GB/T 6610.2-2003). This part is YS/T 534.2-2006 "Chemical analysis methods of aluminum hydroxide - Part 2. loss on ignition - Gravimetric method" compilation Series finishing. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This part of the Aluminum Corporation of China Zhengzhou Research Institute is responsible for drafting. This section drafted by the Aluminum Corporation of China Shandong Branch. The main drafters of this section. Zhong Yi sister. This part of the standard replaces the previous editions are. --- YS/T 534.2-2006 (formerly GB/T 6610.2-2003). Methods for chemical analysis of aluminum hydroxide Part 2. Determination of burning weight loss method

1 Scope

This section provides the determination of aluminum hydroxide in the loss on ignition. This section applies to the determination of loss on aluminum hydroxide boil. Measurement range. 25.00% - 35.00%.

2 principle of the method

The sample after the 110 ℃ ± 5 ℃ drying, ± 20 ℃ calcined at 1100 ℃, in order to calculate the loss of mass loss on ignition of the mass fraction.

3 Instrument

3.1 Analytical balance. accuracy 0.0001g. 3.2 vacuum dryer. diameter 21cm, with the new desiccant activated alumina. While cooling the same vacuum desiccator appropriate number of weighing bottle. E.g., an inner diameter of 21cm vacuum dryer, while cooling the weighing bottle not more than six. 3.3 Oven. temperature can be controlled at 110 ℃ ± 5 ℃, can not be simultaneously dried in an oven other materials. 3.4 high-temperature furnace. temperature can be controlled at 1100 ℃ ± 20 ℃.

4 Sample

4.1 specimen weighing bottle is placed in advance at 110 ℃ ± 5 ℃ drying 2h, stored in a vacuum desiccator (3.2), cooled to room temperature before use. 4.2 activated alumina activated. will be filled with activated alumina beaker was placed in an oven with a blower, drying at 300 ℃ ~ 350 ℃ 3h ~ 4h removed immediately placed in a vacuum dryer to cool to room temperature before use. Activated activated alumina is generally used to burn 6 Determination of loss. Step 5 Analysis 5.1 Sample Weigh 2.0g sample (4.1), accurate to 0.0001g. 5.2 Determination of the number of Independently measured twice and averaged. 5.3 Determination 5.3.1 The platinum crucible and the lid is placed high temperature furnace (3.4), the control temperature of 1100 ℃ ± 20 ℃ burning 30min. Coolish removed, placed in a vacuum Dryer (3.2), cooled 40min, weighing, accurate to 0.0001g, repeat weighed to constant weight. 5.3.2 was added to a platinum crucible sample (5.1), weighed to the nearest 0.0001g. The high temperature crucible lid partially opened, placed about 100 ℃ of Furnace (3.4), the temperature was slowly raised to 600 deg.] C, then warmed to 1100 ℃ ± 20 ℃, burning 1.5h, removed Coolish, platinum crucible in a vacuum dry Dryer (3.2), cooled 40min, cover the crucible cover, weighing, accurate to 0.0001g, repeat weighed to constant weight. Calculation results of the analysis of 6 According to a formula ignition loss of mass fraction (%). Where. ......

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